[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [5590] target-ppc: convert arithmetic functions to TCG
|
From: |
Aurelien Jarno |
|
Subject: |
[Qemu-devel] [5590] target-ppc: convert arithmetic functions to TCG |
|
Date: |
Sat, 01 Nov 2008 00:54:12 +0000 |
Revision: 5590
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5590
Author: aurel32
Date: 2008-11-01 00:54:12 +0000 (Sat, 01 Nov 2008)
Log Message:
-----------
target-ppc: convert arithmetic functions to TCG
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-ppc/helper.h
trunk/target-ppc/op.c
trunk/target-ppc/op_helper.c
trunk/target-ppc/op_helper.h
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h 2008-11-01 00:53:59 UTC (rev 5589)
+++ trunk/target-ppc/helper.h 2008-11-01 00:54:12 UTC (rev 5590)
@@ -8,6 +8,12 @@
DEF_HELPER(uint32_t, helper_load_cr, (void))
DEF_HELPER(void, helper_store_cr, (target_ulong, uint32_t))
+#if defined(TARGET_PPC64)
+DEF_HELPER(uint64_t, helper_mulhd, (uint64_t, uint64_t))
+DEF_HELPER(uint64_t, helper_mulhdu, (uint64_t, uint64_t))
+DEF_HELPER(uint64_t, helper_mulldo, (uint64_t, uint64_t))
+#endif
+
DEF_HELPER(target_ulong, helper_cntlzw, (target_ulong t))
DEF_HELPER(target_ulong, helper_popcntb, (target_ulong val))
DEF_HELPER(target_ulong, helper_sraw, (target_ulong, target_ulong))
Modified: trunk/target-ppc/op.c
===================================================================
--- trunk/target-ppc/op.c 2008-11-01 00:53:59 UTC (rev 5589)
+++ trunk/target-ppc/op.c 2008-11-01 00:54:12 UTC (rev 5590)
@@ -354,404 +354,6 @@
}
#endif
-/* add carrying */
-void OPPROTO op_check_addc (void)
-{
- if (likely((uint32_t)T0 >= (uint32_t)T2)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_check_addc_64 (void)
-{
- if (likely((uint64_t)T0 >= (uint64_t)T2)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
- RETURN();
-}
-#endif
-
-/* add extended */
-void OPPROTO op_adde (void)
-{
- do_adde();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_adde_64 (void)
-{
- do_adde_64();
- RETURN();
-}
-#endif
-
-/* add to minus one extended */
-void OPPROTO op_add_me (void)
-{
- T0 += xer_ca + (-1);
- if (likely((uint32_t)T1 != 0))
- env->xer |= (1 << XER_CA);
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_add_me_64 (void)
-{
- T0 += xer_ca + (-1);
- if (likely((uint64_t)T1 != 0))
- env->xer |= (1 << XER_CA);
- RETURN();
-}
-#endif
-
-void OPPROTO op_addmeo (void)
-{
- do_addmeo();
- RETURN();
-}
-
-void OPPROTO op_addmeo_64 (void)
-{
- do_addmeo();
- RETURN();
-}
-
-/* add to zero extended */
-void OPPROTO op_add_ze (void)
-{
- T0 += xer_ca;
- RETURN();
-}
-
-/* divide word */
-void OPPROTO op_divw (void)
-{
- if (unlikely(((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) ||
- (int32_t)T1 == 0)) {
- T0 = (int32_t)(UINT32_MAX * ((uint32_t)T0 >> 31));
- } else {
- T0 = (int32_t)T0 / (int32_t)T1;
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_divd (void)
-{
- if (unlikely(((int64_t)T0 == INT64_MIN && (int64_t)T1 == (int64_t)-1LL) ||
- (int64_t)T1 == 0)) {
- T0 = (int64_t)(UINT64_MAX * ((uint64_t)T0 >> 63));
- } else {
- T0 = (int64_t)T0 / (int64_t)T1;
- }
- RETURN();
-}
-#endif
-
-void OPPROTO op_divwo (void)
-{
- do_divwo();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_divdo (void)
-{
- do_divdo();
- RETURN();
-}
-#endif
-
-/* divide word unsigned */
-void OPPROTO op_divwu (void)
-{
- if (unlikely(T1 == 0)) {
- T0 = 0;
- } else {
- T0 = (uint32_t)T0 / (uint32_t)T1;
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_divdu (void)
-{
- if (unlikely(T1 == 0)) {
- T0 = 0;
- } else {
- T0 /= T1;
- }
- RETURN();
-}
-#endif
-
-void OPPROTO op_divwuo (void)
-{
- do_divwuo();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_divduo (void)
-{
- do_divduo();
- RETURN();
-}
-#endif
-
-/* multiply high word */
-void OPPROTO op_mulhw (void)
-{
- T0 = ((int64_t)((int32_t)T0) * (int64_t)((int32_t)T1)) >> 32;
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_mulhd (void)
-{
- uint64_t tl, th;
-
- muls64(&tl, &th, T0, T1);
- T0 = th;
- RETURN();
-}
-#endif
-
-/* multiply high word unsigned */
-void OPPROTO op_mulhwu (void)
-{
- T0 = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1) >> 32;
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_mulhdu (void)
-{
- uint64_t tl, th;
-
- mulu64(&tl, &th, T0, T1);
- T0 = th;
- RETURN();
-}
-#endif
-
-/* multiply low immediate */
-void OPPROTO op_mulli (void)
-{
- T0 = ((int32_t)T0 * (int32_t)PARAM1);
- RETURN();
-}
-
-/* multiply low word */
-void OPPROTO op_mullw (void)
-{
-#if defined(TARGET_PPC64)
- T0 = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
-#else
- T0 = (int32_t)(T0 * T1);
-#endif
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_mulld (void)
-{
- T0 *= T1;
- RETURN();
-}
-#endif
-
-void OPPROTO op_mullwo (void)
-{
- do_mullwo();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_mulldo (void)
-{
- do_mulldo();
- RETURN();
-}
-#endif
-
-/* negate */
-void OPPROTO op_neg (void)
-{
- if (likely(T0 != INT32_MIN)) {
- T0 = -(int32_t)T0;
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_neg_64 (void)
-{
- if (likely(T0 != INT64_MIN)) {
- T0 = -(int64_t)T0;
- }
- RETURN();
-}
-#endif
-
-void OPPROTO op_nego (void)
-{
- do_nego();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_nego_64 (void)
-{
- do_nego_64();
- RETURN();
-}
-#endif
-
-/* subtract from carrying */
-void OPPROTO op_check_subfc (void)
-{
- if (likely((uint32_t)T0 > (uint32_t)T1)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_check_subfc_64 (void)
-{
- if (likely((uint64_t)T0 > (uint64_t)T1)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
- RETURN();
-}
-#endif
-
-/* subtract from extended */
-void OPPROTO op_subfe (void)
-{
- do_subfe();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfe_64 (void)
-{
- do_subfe_64();
- RETURN();
-}
-#endif
-
-/* subtract from immediate carrying */
-void OPPROTO op_subfic (void)
-{
- T0 = (int32_t)PARAM1 + ~T0 + 1;
- if ((uint32_t)T0 <= (uint32_t)PARAM1) {
- env->xer |= (1 << XER_CA);
- } else {
- env->xer &= ~(1 << XER_CA);
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfic_64 (void)
-{
- T0 = (int64_t)PARAM1 + ~T0 + 1;
- if ((uint64_t)T0 <= (uint64_t)PARAM1) {
- env->xer |= (1 << XER_CA);
- } else {
- env->xer &= ~(1 << XER_CA);
- }
- RETURN();
-}
-#endif
-
-/* subtract from minus one extended */
-void OPPROTO op_subfme (void)
-{
- T0 = ~T0 + xer_ca - 1;
- if (likely((uint32_t)T0 != UINT32_MAX))
- env->xer |= (1 << XER_CA);
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfme_64 (void)
-{
- T0 = ~T0 + xer_ca - 1;
- if (likely((uint64_t)T0 != UINT64_MAX))
- env->xer |= (1 << XER_CA);
- RETURN();
-}
-#endif
-
-void OPPROTO op_subfmeo (void)
-{
- do_subfmeo();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfmeo_64 (void)
-{
- do_subfmeo_64();
- RETURN();
-}
-#endif
-
-/* subtract from zero extended */
-void OPPROTO op_subfze (void)
-{
- T1 = ~T0;
- T0 = T1 + xer_ca;
- if ((uint32_t)T0 < (uint32_t)T1) {
- env->xer |= (1 << XER_CA);
- } else {
- env->xer &= ~(1 << XER_CA);
- }
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfze_64 (void)
-{
- T1 = ~T0;
- T0 = T1 + xer_ca;
- if ((uint64_t)T0 < (uint64_t)T1) {
- env->xer |= (1 << XER_CA);
- } else {
- env->xer &= ~(1 << XER_CA);
- }
- RETURN();
-}
-#endif
-
-void OPPROTO op_subfzeo (void)
-{
- do_subfzeo();
- RETURN();
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO op_subfzeo_64 (void)
-{
- do_subfzeo_64();
- RETURN();
-}
-#endif
-
/*** Integer shift ***/
void OPPROTO op_srli_T1 (void)
{
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2008-11-01 00:53:59 UTC (rev 5589)
+++ trunk/target-ppc/op_helper.c 2008-11-01 00:54:12 UTC (rev 5590)
@@ -113,261 +113,42 @@
/*****************************************************************************/
/* Fixed point operations helpers */
-void do_adde (void)
-{
- T2 = T0;
- T0 += T1 + xer_ca;
- if (likely(!((uint32_t)T0 < (uint32_t)T2 ||
- (xer_ca == 1 && (uint32_t)T0 == (uint32_t)T2)))) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-
#if defined(TARGET_PPC64)
-void do_adde_64 (void)
-{
- T2 = T0;
- T0 += T1 + xer_ca;
- if (likely(!((uint64_t)T0 < (uint64_t)T2 ||
- (xer_ca == 1 && (uint64_t)T0 == (uint64_t)T2)))) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-#endif
-void do_addmeo (void)
+/* multiply high word */
+uint64_t helper_mulhd (uint64_t arg1, uint64_t arg2)
{
- int ov;
- T1 = T0;
- T0 += xer_ca + (-1);
- ov = ((uint32_t)T1 & ((uint32_t)T1 ^ (uint32_t)T0)) >> 31;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint32_t)T1 != 0))
- env->xer |= (1 << XER_CA);
-}
+ uint64_t tl, th;
-#if defined(TARGET_PPC64)
-void do_addmeo_64 (void)
-{
- int ov;
- T1 = T0;
- T0 += xer_ca + (-1);
- ov = ((uint64_t)T1 & ((uint64_t)T1 ^ (uint64_t)T0)) >> 63;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint64_t)T1 != 0))
- env->xer |= (1 << XER_CA);
+ muls64(&tl, &th, arg1, arg2);
+ return th;
}
-#endif
-void do_divwo (void)
+/* multiply high word unsigned */
+uint64_t helper_mulhdu (uint64_t arg1, uint64_t arg2)
{
- if (likely(!(((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) ||
- (int32_t)T1 == 0))) {
- env->xer &= ~(1 << XER_OV);
- T0 = (int32_t)T0 / (int32_t)T1;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
- }
-}
+ uint64_t tl, th;
-#if defined(TARGET_PPC64)
-void do_divdo (void)
-{
- if (likely(!(((int64_t)T0 == INT64_MIN && (int64_t)T1 == (int64_t)-1LL) ||
- (int64_t)T1 == 0))) {
- env->xer &= ~(1 << XER_OV);
- T0 = (int64_t)T0 / (int64_t)T1;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- T0 = UINT64_MAX * ((uint64_t)T0 >> 63);
- }
+ mulu64(&tl, &th, arg1, arg2);
+ return th;
}
-#endif
-void do_divwuo (void)
+uint64_t helper_mulldo (uint64_t arg1, uint64_t arg2)
{
- if (likely((uint32_t)T1 != 0)) {
- env->xer &= ~(1 << XER_OV);
- T0 = (uint32_t)T0 / (uint32_t)T1;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- T0 = 0;
- }
-}
-
-#if defined(TARGET_PPC64)
-void do_divduo (void)
-{
- if (likely((uint64_t)T1 != 0)) {
- env->xer &= ~(1 << XER_OV);
- T0 = (uint64_t)T0 / (uint64_t)T1;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- T0 = 0;
- }
-}
-#endif
-
-void do_mullwo (void)
-{
- int64_t res = (int64_t)(int32_t)T0 * (int64_t)(int32_t)T1;
-
- if (likely((int32_t)res == res)) {
- env->xer &= ~(1 << XER_OV);
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- }
- T0 = (int32_t)res;
-}
-
-#if defined(TARGET_PPC64)
-void do_mulldo (void)
-{
int64_t th;
uint64_t tl;
- muls64(&tl, (uint64_t *)&th, T0, T1);
- T0 = (int64_t)tl;
+ muls64(&tl, (uint64_t *)&th, arg1, arg2);
/* If th != 0 && th != -1, then we had an overflow */
if (likely((uint64_t)(th + 1) <= 1)) {
env->xer &= ~(1 << XER_OV);
} else {
env->xer |= (1 << XER_OV) | (1 << XER_SO);
}
+ return (int64_t)tl;
}
#endif
-void do_nego (void)
-{
- if (likely((int32_t)T0 != INT32_MIN)) {
- env->xer &= ~(1 << XER_OV);
- T0 = -(int32_t)T0;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- }
-}
-
-#if defined(TARGET_PPC64)
-void do_nego_64 (void)
-{
- if (likely((int64_t)T0 != INT64_MIN)) {
- env->xer &= ~(1 << XER_OV);
- T0 = -(int64_t)T0;
- } else {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- }
-}
-#endif
-
-void do_subfe (void)
-{
- T0 = T1 + ~T0 + xer_ca;
- if (likely((uint32_t)T0 >= (uint32_t)T1 &&
- (xer_ca == 0 || (uint32_t)T0 != (uint32_t)T1))) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-
-#if defined(TARGET_PPC64)
-void do_subfe_64 (void)
-{
- T0 = T1 + ~T0 + xer_ca;
- if (likely((uint64_t)T0 >= (uint64_t)T1 &&
- (xer_ca == 0 || (uint64_t)T0 != (uint64_t)T1))) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-#endif
-
-void do_subfmeo (void)
-{
- int ov;
- T1 = T0;
- T0 = ~T0 + xer_ca - 1;
- ov = ((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0)) >> 31;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint32_t)T1 != UINT32_MAX))
- env->xer |= (1 << XER_CA);
-}
-
-#if defined(TARGET_PPC64)
-void do_subfmeo_64 (void)
-{
- int ov;
- T1 = T0;
- T0 = ~T0 + xer_ca - 1;
- ov = ((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0)) >> 63;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint64_t)T1 != UINT64_MAX))
- env->xer |= (1 << XER_CA);
-}
-#endif
-
-void do_subfzeo (void)
-{
- int ov;
- T1 = T0;
- T0 = ~T0 + xer_ca;
- ov = (((uint32_t)~T1 ^ UINT32_MAX) &
- ((uint32_t)(~T1) ^ (uint32_t)T0)) >> 31;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint32_t)T0 >= (uint32_t)~T1)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-
-#if defined(TARGET_PPC64)
-void do_subfzeo_64 (void)
-{
- int ov;
- T1 = T0;
- T0 = ~T0 + xer_ca;
- ov = (((uint64_t)~T1 ^ UINT64_MAX) &
- ((uint64_t)(~T1) ^ (uint64_t)T0)) >> 63;
- if (ov) {
- env->xer |= (1 << XER_OV) | (1 << XER_SO);
- } else {
- env->xer &= ~(1 << XER_OV);
- }
- if (likely((uint64_t)T0 >= (uint64_t)~T1)) {
- env->xer &= ~(1 << XER_CA);
- } else {
- env->xer |= (1 << XER_CA);
- }
-}
-#endif
-
target_ulong helper_cntlzw (target_ulong t)
{
return clz32(t);
Modified: trunk/target-ppc/op_helper.h
===================================================================
--- trunk/target-ppc/op_helper.h 2008-11-01 00:53:59 UTC (rev 5589)
+++ trunk/target-ppc/op_helper.h 2008-11-01 00:54:12 UTC (rev 5590)
@@ -61,38 +61,6 @@
target_ulong ppc_load_dump_spr (int sprn);
void ppc_store_dump_spr (int sprn, target_ulong val);
-/* Integer arithmetic helpers */
-void do_adde (void);
-void do_addmeo (void);
-void do_divwo (void);
-void do_divwuo (void);
-void do_mullwo (void);
-void do_nego (void);
-void do_subfe (void);
-void do_subfmeo (void);
-void do_subfzeo (void);
-void do_cntlzw (void);
-#if defined(TARGET_PPC64)
-void do_cntlzd (void);
-#endif
-void do_sraw (void);
-#if defined(TARGET_PPC64)
-void do_adde_64 (void);
-void do_addmeo_64 (void);
-void do_divdo (void);
-void do_divduo (void);
-void do_mulldo (void);
-void do_nego_64 (void);
-void do_subfe_64 (void);
-void do_subfmeo_64 (void);
-void do_subfzeo_64 (void);
-void do_srad (void);
-#endif
-void do_popcntb (void);
-#if defined(TARGET_PPC64)
-void do_popcntb_64 (void);
-#endif
-
/* Floating-point arithmetic helpers */
void do_compute_fprf (int set_class);
#ifdef CONFIG_SOFTFLOAT
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2008-11-01 00:53:59 UTC (rev 5589)
+++ trunk/target-ppc/translate.c 2008-11-01 00:54:12 UTC (rev 5590)
@@ -852,431 +852,603 @@
}
/*** Integer arithmetic ***/
-#define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
-}
-#define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
+static always_inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv
arg0, TCGv arg1, TCGv arg2, int sub)
+{
+ int l1;
+ TCGv t0;
+
+ l1 = gen_new_label();
+ /* Start with XER OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ t0 = tcg_temp_local_new(TCG_TYPE_TL);
+ tcg_gen_xor_tl(t0, arg0, arg1);
+#if defined(TARGET_PPC64)
+ if (!ctx->sf_mode)
+ tcg_gen_ext32s_tl(t0, t0);
+#endif
+ if (sub)
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1);
+ else
+ tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1);
+ tcg_gen_xor_tl(t0, arg1, arg2);
+#if defined(TARGET_PPC64)
+ if (!ctx->sf_mode)
+ tcg_gen_ext32s_tl(t0, t0);
+#endif
+ if (sub)
+ tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1);
+ else
+ tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1);
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
+ gen_set_label(l1);
+ tcg_temp_free(t0);
}
-#define __GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
+static always_inline void gen_op_arith_compute_ca(DisasContext *ctx, TCGv
arg1, TCGv arg2, int sub)
+{
+ int l1 = gen_new_label();
+
+#if defined(TARGET_PPC64)
+ if (!(ctx->sf_mode)) {
+ TCGv t0, t1;
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ t1 = tcg_temp_new(TCG_TYPE_TL);
+
+ tcg_gen_ext32u_tl(t0, arg1);
+ tcg_gen_ext32u_tl(t1, arg2);
+ if (sub) {
+ tcg_gen_brcond_tl(TCG_COND_GTU, t0, t1, l1);
+ } else {
+ tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
+ }
+ } else
+#endif
+ if (sub) {
+ tcg_gen_brcond_tl(TCG_COND_GTU, arg1, arg2, l1);
+ } else {
+ tcg_gen_brcond_tl(TCG_COND_GEU, arg1, arg2, l1);
+ }
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA);
+ gen_set_label(l1);
}
-#define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
-}
-/* Two operands arithmetic functions */
-#define GEN_INT_ARITH2(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000, type) \
-__GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000, type)
+/* Common add function */
+static always_inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv
arg1, TCGv arg2,
+ int add_ca, int compute_ca, int
compute_ov)
+{
+ TCGv t0, t1;
-/* Two operands arithmetic functions with no overflow allowed */
-#define GEN_INT_ARITHN(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400, type)
+ if ((!compute_ca && !compute_ov) ||
+ (GET_TCGV(ret) != GET_TCGV(arg1) && GET_TCGV(ret) != GET_TCGV(arg2)))
{
+ t0 = ret;
+ } else {
+ t0 = tcg_temp_local_new(TCG_TYPE_TL);
+ }
-/* One operand arithmetic functions */
-#define GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10, type)
+ if (add_ca) {
+ t1 = tcg_temp_local_new(TCG_TYPE_TL);
+ tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
+ tcg_gen_shri_tl(t1, t1, XER_CA);
+ }
-#if defined(TARGET_PPC64)
-#define __GEN_INT_ARITH2_64(name, opc1, opc2, opc3, inval, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); \
- if (ctx->sf_mode) \
- gen_op_##name##_64(); \
- else \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
-}
+ if (compute_ca && compute_ov) {
+ /* Start with XER CA and OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV)));
+ } else if (compute_ca) {
+ /* Start with XER CA disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ } else if (compute_ov) {
+ /* Start with XER OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ }
-#define __GEN_INT_ARITH2_O_64(name, opc1, opc2, opc3, inval, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
-{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); \
- if (ctx->sf_mode) \
- gen_op_##name##_64(); \
- else \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
+ tcg_gen_add_tl(t0, arg1, arg2);
+
+ if (compute_ca) {
+ gen_op_arith_compute_ca(ctx, t0, arg1, 0);
+ }
+ if (add_ca) {
+ tcg_gen_add_tl(t0, t0, t1);
+ gen_op_arith_compute_ca(ctx, t0, t1, 0);
+ tcg_temp_free(t1);
+ }
+ if (compute_ov) {
+ gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
+ }
+
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, t0);
+
+ if (GET_TCGV(t0) != GET_TCGV(ret)) {
+ tcg_gen_mov_tl(ret, t0);
+ tcg_temp_free(t0);
+ }
}
-
-#define __GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \
+/* Add functions with two operands */
+#define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER) \
{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- if (ctx->sf_mode) \
- gen_op_##name##_64(); \
- else \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
+ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ add_ca, compute_ca, compute_ov); \
}
-#define __GEN_INT_ARITH1_O_64(name, opc1, opc2, opc3, type) \
-GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \
+/* Add functions with one operand and one immediate */
+#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
+ add_ca, compute_ca, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER) \
{ \
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]); \
- if (ctx->sf_mode) \
- gen_op_##name##_64(); \
- else \
- gen_op_##name(); \
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]); \
- if (unlikely(Rc(ctx->opcode) != 0)) \
- gen_set_Rc0(ctx, cpu_T[0]); \
+ TCGv t0 = tcg_const_local_tl(const_val); \
+ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], t0, \
+ add_ca, compute_ca, compute_ov); \
+ tcg_temp_free(t0); \
}
-/* Two operands arithmetic functions */
-#define GEN_INT_ARITH2_64(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH2_64(name, opc1, opc2, opc3, 0x00000000, type) \
-__GEN_INT_ARITH2_O_64(name##o, opc1, opc2, opc3 | 0x10, 0x00000000, type)
+/* add add. addo addo. */
+GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
+GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
+/* addc addc. addco addco. */
+GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
+GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
+/* adde adde. addeo addeo. */
+GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
+GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
+/* addme addme. addmeo addmeo. */
+GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
+GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
+/* addze addze. addzeo addzeo.*/
+GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
+GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
+/* addi */
+GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
+{
+ target_long simm = SIMM(ctx->opcode);
-/* Two operands arithmetic functions with no overflow allowed */
-#define GEN_INT_ARITHN_64(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH2_64(name, opc1, opc2, opc3, 0x00000400, type)
+ if (rA(ctx->opcode) == 0) {
+ /* li case */
+ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
+ } else {
+ tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
simm);
+ }
+}
+/* addic addic.*/
+static always_inline void gen_op_addic (DisasContext *ctx, TCGv ret, TCGv arg1,
+ int compute_Rc0)
+{
+ target_long simm = SIMM(ctx->opcode);
-/* One operand arithmetic functions */
-#define GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \
-__GEN_INT_ARITH1_O_64(name##o, opc1, opc2, opc3 | 0x10, type)
-#else
-#define GEN_INT_ARITH2_64 GEN_INT_ARITH2
-#define GEN_INT_ARITHN_64 GEN_INT_ARITHN
-#define GEN_INT_ARITH1_64 GEN_INT_ARITH1
-#endif
+ /* Start with XER CA and OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
-/* add add. addo addo. */
-static always_inline void gen_op_add (void)
-{
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
+ if (likely(simm != 0)) {
+ TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL);
+ tcg_gen_addi_tl(t0, arg1, simm);
+ gen_op_arith_compute_ca(ctx, t0, arg1, 0);
+ tcg_gen_mov_tl(ret, t0);
+ tcg_temp_free(t0);
+ } else {
+ tcg_gen_mov_tl(ret, arg1);
+ }
+ if (compute_Rc0) {
+ gen_set_Rc0(ctx, ret);
+ }
}
-static always_inline void gen_op_addo (void)
+GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addo();
+ gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
}
-#if defined(TARGET_PPC64)
-#define gen_op_add_64 gen_op_add
-static always_inline void gen_op_addo_64 (void)
+GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addo_64();
+ gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
}
-#endif
-GEN_INT_ARITH2_64 (add, 0x1F, 0x0A, 0x08, PPC_INTEGER);
-/* addc addc. addco addco. */
-static always_inline void gen_op_addc (void)
+/* addis */
+GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addc();
+ target_long simm = SIMM(ctx->opcode);
+
+ if (rA(ctx->opcode) == 0) {
+ /* lis case */
+ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
+ } else {
+ tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
simm << 16);
+ }
}
-static always_inline void gen_op_addco (void)
+
+static always_inline void gen_op_arith_divw (DisasContext *ctx, TCGv ret, TCGv
arg1, TCGv arg2,
+ int sign, int compute_ov)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addc();
- gen_op_check_addo();
+ int l1, l2, l3;
+ TCGv t0, t1, t2;
+
+#if defined(TARGET_PPC64)
+ t0 = tcg_temp_local_new(TCG_TYPE_I32);
+ t1 = t0;
+ t2 = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_trunc_i64_i32(t1, arg1);
+ tcg_gen_trunc_i64_i32(t2, arg2);
+#else
+ t0 = ret;
+ t1 = arg1;
+ t2 = arg2;
+#endif
+ l1 = gen_new_label();
+ l2 = gen_new_label();
+ tcg_gen_brcondi_i32(TCG_COND_EQ, t2, 0, l1);
+ if (sign) {
+ l3 = gen_new_label();
+ tcg_gen_brcondi_i32(TCG_COND_NE, t2, -1, l3);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, t1, INT32_MIN, l1);
+ gen_set_label(l3);
+ }
+ if (sign) {
+ tcg_gen_div_i32(t0, t1, t2);
+ } else {
+ tcg_gen_divu_i32(t0, t1, t2);
+ }
+ if (compute_ov) {
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ }
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ if (sign) {
+ tcg_gen_sari_i32(t0, t1, 31);
+ } else {
+ tcg_gen_movi_i32(t0, 0);
+ }
+ if (compute_ov) {
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
+ }
+ gen_set_label(l2);
+#if defined(TARGET_PPC64)
+ tcg_gen_extu_i32_i64(ret, t0);
+ tcg_temp_free(t0);
+#endif
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, ret);
}
+/* Div functions */
+#define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) \
+{ \
+ gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ sign, compute_ov); \
+}
+/* divwu divwu. divwuo divwuo. */
+GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
+GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
+/* divw divw. divwo divwo. */
+GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
+GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
#if defined(TARGET_PPC64)
-static always_inline void gen_op_addc_64 (void)
+static always_inline void gen_op_divd (DisasContext *ctx, TCGv ret, TCGv arg1,
TCGv arg2,
+ int sign, int compute_ov)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addc_64();
+ int l1, l2, l3;
+
+ l1 = gen_new_label();
+ l2 = gen_new_label();
+
+ tcg_gen_brcondi_i64(TCG_COND_EQ, arg2, 0, l1);
+ if (sign) {
+ l3 = gen_new_label();
+ tcg_gen_brcondi_i64(TCG_COND_NE, arg2, -1, l3);
+ tcg_gen_brcondi_i64(TCG_COND_EQ, arg1, INT64_MIN, l1);
+ gen_set_label(l3);
+ }
+ if (sign) {
+ tcg_gen_div_i64(ret, arg1, arg2);
+ } else {
+ tcg_gen_divu_i64(ret, arg1, arg2);
+ }
+ if (compute_ov) {
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ }
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ if (sign) {
+ tcg_gen_sari_i64(ret, arg1, 63);
+ } else {
+ tcg_gen_movi_i64(ret, 0);
+ }
+ if (compute_ov) {
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
+ }
+ gen_set_label(l2);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, ret);
}
-static always_inline void gen_op_addco_64 (void)
-{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_check_addc_64();
- gen_op_check_addo_64();
+#define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \
+{ \
+ gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ sign, compute_ov); \
}
+/* divwu divwu. divwuo divwuo. */
+GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
+GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
+/* divw divw. divwo divwo. */
+GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
+GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
#endif
-GEN_INT_ARITH2_64 (addc, 0x1F, 0x0A, 0x00, PPC_INTEGER);
-/* adde adde. addeo addeo. */
-static always_inline void gen_op_addeo (void)
+
+/* mulhw mulhw. */
+GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_adde();
- gen_op_check_addo();
-}
+ TCGv t0, t1;
+
+ t0 = tcg_temp_new(TCG_TYPE_I64);
+ t1 = tcg_temp_new(TCG_TYPE_I64);
#if defined(TARGET_PPC64)
-static always_inline void gen_op_addeo_64 (void)
-{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_adde_64();
- gen_op_check_addo_64();
+ tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_i64(t0, t0, t1);
+ tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32);
+#else
+ tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_i64(t0, t0, t1);
+ tcg_gen_shri_i64(t0, t0, 32);
+ tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
+#endif
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
-#endif
-GEN_INT_ARITH2_64 (adde, 0x1F, 0x0A, 0x04, PPC_INTEGER);
-/* addme addme. addmeo addmeo. */
-static always_inline void gen_op_addme (void)
+/* mulhwu mulhwu. */
+GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[1], cpu_T[0]);
- gen_op_add_me();
-}
+ TCGv t0, t1;
+
+ t0 = tcg_temp_new(TCG_TYPE_I64);
+ t1 = tcg_temp_new(TCG_TYPE_I64);
#if defined(TARGET_PPC64)
-static always_inline void gen_op_addme_64 (void)
-{
- tcg_gen_mov_tl(cpu_T[1], cpu_T[0]);
- gen_op_add_me_64();
-}
+ tcg_gen_ext32u_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32u_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_i64(t0, t0, t1);
+ tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32);
+#else
+ tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_i64(t0, t0, t1);
+ tcg_gen_shri_i64(t0, t0, 32);
+ tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
-GEN_INT_ARITH1_64 (addme, 0x1F, 0x0A, 0x07, PPC_INTEGER);
-/* addze addze. addzeo addzeo. */
-static always_inline void gen_op_addze (void)
-{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_add_ze();
- gen_op_check_addc();
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
-static always_inline void gen_op_addzeo (void)
+/* mullw mullw. */
+GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_add_ze();
- gen_op_check_addc();
- gen_op_check_addo();
-}
#if defined(TARGET_PPC64)
-static always_inline void gen_op_addze_64 (void)
-{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_add_ze();
- gen_op_check_addc_64();
-}
-static always_inline void gen_op_addzeo_64 (void)
-{
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- gen_op_add_ze();
- gen_op_check_addc_64();
- gen_op_check_addo_64();
-}
+ TCGv t0, t1;
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ t1 = tcg_temp_new(TCG_TYPE_TL);
+ tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_tl(t0, t0, t1);
+ tcg_temp_free(t0);
+ tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], t0);
+ tcg_temp_free(t1);
+#else
+ tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
+ cpu_gpr[rB(ctx->opcode)]);
#endif
-GEN_INT_ARITH1_64 (addze, 0x1F, 0x0A, 0x06, PPC_INTEGER);
-/* divw divw. divwo divwo. */
-GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F, PPC_INTEGER);
-/* divwu divwu. divwuo divwuo. */
-GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E, PPC_INTEGER);
-/* mulhw mulhw. */
-GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02, PPC_INTEGER);
-/* mulhwu mulhwu. */
-GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00, PPC_INTEGER);
-/* mullw mullw. mullwo mullwo. */
-GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07, PPC_INTEGER);
-/* neg neg. nego nego. */
-GEN_INT_ARITH1_64 (neg, 0x1F, 0x08, 0x03, PPC_INTEGER);
-/* subf subf. subfo subfo. */
-static always_inline void gen_op_subf (void)
-{
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
-static always_inline void gen_op_subfo (void)
+/* mullwo mullwo. */
+GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER)
{
- tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_addo();
-}
+ int l1;
+ TCGv t0, t1;
+
+ t0 = tcg_temp_local_new(TCG_TYPE_I64);
+ t1 = tcg_temp_local_new(TCG_TYPE_I64);
+ l1 = gen_new_label();
+ /* Start with XER OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
#if defined(TARGET_PPC64)
-#define gen_op_subf_64 gen_op_subf
-static always_inline void gen_op_subfo_64 (void)
-{
- tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_addo_64();
-}
+ tcg_gen_ext32s_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32s_i64(t1, cpu_gpr[rB(ctx->opcode)]);
+#else
+ tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
#endif
-GEN_INT_ARITH2_64 (subf, 0x1F, 0x08, 0x01, PPC_INTEGER);
-/* subfc subfc. subfco subfco. */
-static always_inline void gen_op_subfc (void)
-{
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_subfc();
+ tcg_gen_mul_i64(t0, t0, t1);
+#if defined(TARGET_PPC64)
+ tcg_gen_ext32s_i64(cpu_gpr[rD(ctx->opcode)], t0);
+ tcg_gen_brcond_i64(TCG_COND_EQ, t0, cpu_gpr[rD(ctx->opcode)], l1);
+#else
+ tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
+ tcg_gen_ext32s_i64(t1, t0);
+ tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
+#endif
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
+ gen_set_label(l1);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
-static always_inline void gen_op_subfco (void)
+/* mulli */
+GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
- tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_subfc();
- gen_op_check_addo();
+ tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
+ SIMM(ctx->opcode));
}
#if defined(TARGET_PPC64)
-static always_inline void gen_op_subfc_64 (void)
-{
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_subfc_64();
+#define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
+GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \
+{ \
+ tcg_gen_helper_1_2(helper_##name, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
+ if (unlikely(Rc(ctx->opcode) != 0)) \
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
}
-static always_inline void gen_op_subfco_64 (void)
+/* mulhd mulhd. */
+GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00);
+/* mulhdu mulhdu. */
+GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02);
+/* mulld mulld. */
+GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B)
{
- tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
- tcg_gen_sub_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
- gen_op_check_subfc_64();
- gen_op_check_addo_64();
+ tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
+ cpu_gpr[rB(ctx->opcode)]);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
+/* mulldo mulldo. */
+GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17);
#endif
-GEN_INT_ARITH2_64 (subfc, 0x1F, 0x08, 0x00, PPC_INTEGER);
-/* subfe subfe. subfeo subfeo. */
-static always_inline void gen_op_subfeo (void)
+
+/* neg neg. nego nego. */
+static always_inline void gen_op_neg (DisasContext *ctx, TCGv ret, TCGv arg1,
int ov_check)
{
- tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
- gen_op_subfe();
- gen_op_check_addo();
+ int l1, l2;
+
+ l1 = gen_new_label();
+ l2 = gen_new_label();
+#if defined(TARGET_PPC64)
+ if (ctx->sf_mode) {
+ tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT64_MIN, l1);
+ } else {
+ TCGv t0 = tcg_temp_new(TCG_TYPE_TL);
+ tcg_gen_ext32s_tl(t0, arg1);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1);
+ }
+#else
+ tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT32_MIN, l1);
+#endif
+ tcg_gen_neg_tl(ret, arg1);
+ if (ov_check) {
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ }
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ tcg_gen_mov_tl(ret, arg1);
+ if (ov_check) {
+ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
+ }
+ gen_set_label(l2);
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, ret);
}
-#if defined(TARGET_PPC64)
-#define gen_op_subfe_64 gen_op_subfe
-static always_inline void gen_op_subfeo_64 (void)
+GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER)
{
- tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
- gen_op_subfe_64();
- gen_op_check_addo_64();
+ gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
}
-#endif
-GEN_INT_ARITH2_64 (subfe, 0x1F, 0x08, 0x04, PPC_INTEGER);
-/* subfme subfme. subfmeo subfmeo. */
-GEN_INT_ARITH1_64 (subfme, 0x1F, 0x08, 0x07, PPC_INTEGER);
-/* subfze subfze. subfzeo subfzeo. */
-GEN_INT_ARITH1_64 (subfze, 0x1F, 0x08, 0x06, PPC_INTEGER);
-/* addi */
-GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
+GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER)
{
- target_long simm = SIMM(ctx->opcode);
+ gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
+}
- if (rA(ctx->opcode) == 0) {
- /* li case */
- tcg_gen_movi_tl(cpu_T[0], simm);
- } else {
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
- if (likely(simm != 0))
- tcg_gen_addi_tl(cpu_T[0], cpu_T[0], simm);
- }
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
-}
-/* addic */
-GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
+/* Common subf function */
+static always_inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv
arg1, TCGv arg2,
+ int add_ca, int compute_ca, int
compute_ov)
{
- target_long simm = SIMM(ctx->opcode);
+ TCGv t0, t1;
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
- if (likely(simm != 0)) {
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_addi_tl(cpu_T[0], cpu_T[0], simm);
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode)
- gen_op_check_addc_64();
- else
-#endif
- gen_op_check_addc();
+ if ((!compute_ca && !compute_ov) ||
+ (GET_TCGV(ret) != GET_TCGV(arg1) && GET_TCGV(ret) != GET_TCGV(arg2)))
{
+ t0 = ret;
} else {
- tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ t0 = tcg_temp_local_new(TCG_TYPE_TL);
}
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
-}
-/* addic. */
-GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
-{
- target_long simm = SIMM(ctx->opcode);
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
- if (likely(simm != 0)) {
- tcg_gen_mov_tl(cpu_T[2], cpu_T[0]);
- tcg_gen_addi_tl(cpu_T[0], cpu_T[0], simm);
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode)
- gen_op_check_addc_64();
- else
-#endif
- gen_op_check_addc();
- } else {
- tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ if (add_ca) {
+ t1 = tcg_temp_local_new(TCG_TYPE_TL);
+ tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
+ tcg_gen_shri_tl(t1, t1, XER_CA);
}
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
- gen_set_Rc0(ctx, cpu_T[0]);
-}
-/* addis */
-GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
-{
- target_long simm = SIMM(ctx->opcode);
- if (rA(ctx->opcode) == 0) {
- /* lis case */
- tcg_gen_movi_tl(cpu_T[0], simm << 16);
+ if (compute_ca && compute_ov) {
+ /* Start with XER CA and OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV)));
+ } else if (compute_ca) {
+ /* Start with XER CA disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ } else if (compute_ov) {
+ /* Start with XER OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
+ }
+
+ if (add_ca) {
+ tcg_gen_not_tl(t0, arg1);
+ tcg_gen_add_tl(t0, t0, arg2);
+ gen_op_arith_compute_ca(ctx, t0, arg2, 0);
+ tcg_gen_add_tl(t0, t0, t1);
+ gen_op_arith_compute_ca(ctx, t0, t1, 0);
+ tcg_temp_free(t1);
} else {
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
- if (likely(simm != 0))
- tcg_gen_addi_tl(cpu_T[0], cpu_T[0], simm << 16);
+ tcg_gen_sub_tl(t0, arg2, arg1);
+ if (compute_ca) {
+ gen_op_arith_compute_ca(ctx, t0, arg2, 1);
+ }
}
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
+ if (compute_ov) {
+ gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
+ }
+
+ if (unlikely(Rc(ctx->opcode) != 0))
+ gen_set_Rc0(ctx, t0);
+
+ if (GET_TCGV(t0) != GET_TCGV(ret)) {
+ tcg_gen_mov_tl(ret, t0);
+ tcg_temp_free(t0);
+ }
}
-/* mulli */
-GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
-{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
- gen_op_mulli(SIMM(ctx->opcode));
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
+/* Sub functions with Two operands functions */
+#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER) \
+{ \
+ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ add_ca, compute_ca, compute_ov); \
}
+/* Sub functions with one operand and one immediate */
+#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
+ add_ca, compute_ca, compute_ov) \
+GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER) \
+{ \
+ TCGv t0 = tcg_const_local_tl(const_val); \
+ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], t0, \
+ add_ca, compute_ca, compute_ov); \
+ tcg_temp_free(t0); \
+}
+/* subf subf. subfo subfo. */
+GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
+GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
+/* subfc subfc. subfco subfco. */
+GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
+GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
+/* subfe subfe. subfeo subfo. */
+GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
+GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
+/* subfme subfme. subfmeo subfmeo. */
+GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
+GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
+/* subfze subfze. subfzeo subfzeo.*/
+GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
+GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
/* subfic */
GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
- tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rA(ctx->opcode)]);
-#if defined(TARGET_PPC64)
- if (ctx->sf_mode)
- gen_op_subfic_64(SIMM(ctx->opcode));
- else
-#endif
- gen_op_subfic(SIMM(ctx->opcode));
- tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_T[0]);
+ /* Start with XER CA and OV disabled, the most likely case */
+ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
+ TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL);
+ TCGv t1 = tcg_const_local_tl(SIMM(ctx->opcode));
+ tcg_gen_sub_tl(t0, t1, cpu_gpr[rA(ctx->opcode)]);
+ gen_op_arith_compute_ca(ctx, t0, t1, 1);
+ tcg_temp_free(t1);
+ tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
+ tcg_temp_free(t0);
}
-#if defined(TARGET_PPC64)
-/* mulhd mulhd. */
-GEN_INT_ARITHN (mulhd, 0x1F, 0x09, 0x02, PPC_64B);
-/* mulhdu mulhdu. */
-GEN_INT_ARITHN (mulhdu, 0x1F, 0x09, 0x00, PPC_64B);
-/* mulld mulld. mulldo mulldo. */
-GEN_INT_ARITH2 (mulld, 0x1F, 0x09, 0x07, PPC_64B);
-/* divd divd. divdo divdo. */
-GEN_INT_ARITH2 (divd, 0x1F, 0x09, 0x0F, PPC_64B);
-/* divdu divdu. divduo divduo. */
-GEN_INT_ARITH2 (divdu, 0x1F, 0x09, 0x0E, PPC_64B);
-#endif
-
/*** Integer logical ***/
#define GEN_LOGICAL2(name, tcg_op, opc, type) \
GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) \
@@ -5090,7 +5262,7 @@
}
if (opc2 & 0x02) {
/* nmultiply-and-accumulate (0x0E) */
- gen_op_neg();
+ tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
}
if (opc2 & 0x04) {
/* (n)multiply-and-accumulate (0x0C - 0x0E) */
| [Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [5590] target-ppc: convert arithmetic functions to TCG,
Aurelien Jarno <=