[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v4 1/5] target-ppc: add vector insert instructions
|
From: |
Rajalakshmi Srinivasaraghavan |
|
Subject: |
[Qemu-devel] [PATCH v4 1/5] target-ppc: add vector insert instructions |
|
Date: |
Wed, 24 Aug 2016 18:30:28 +0530 |
The following vector insert instructions are added from ISA 3.0.
vinsertb - Vector Insert Byte
vinserth - Vector Insert Halfword
vinsertw - Vector Insert Word
vinsertd - Vector Insert Doubleword
Signed-off-by: Rajalakshmi Srinivasaraghavan <address@hidden>
---
target-ppc/helper.h | 4 ++++
target-ppc/int_helper.c | 20 ++++++++++++++++++++
target-ppc/translate.c | 2 ++
target-ppc/translate/vmx-impl.inc.c | 32 ++++++++++++++++++++++++++++++++
target-ppc/translate/vmx-ops.inc.c | 18 +++++++++++++-----
5 files changed, 71 insertions(+), 5 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index ab80c34..e8db233 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -252,6 +252,10 @@ DEF_HELPER_2(vspltisw, void, avr, i32)
DEF_HELPER_3(vspltb, void, avr, avr, i32)
DEF_HELPER_3(vsplth, void, avr, avr, i32)
DEF_HELPER_3(vspltw, void, avr, avr, i32)
+DEF_HELPER_3(vinsertb, void, avr, avr, i32)
+DEF_HELPER_3(vinserth, void, avr, avr, i32)
+DEF_HELPER_3(vinsertw, void, avr, avr, i32)
+DEF_HELPER_3(vinsertd, void, avr, avr, i32)
DEF_HELPER_2(vupkhpx, void, avr, avr)
DEF_HELPER_2(vupklpx, void, avr, avr)
DEF_HELPER_2(vupkhsb, void, avr, avr)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index ca33add..4217547 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -1808,6 +1808,26 @@ VSPLT(w, u32)
#undef VSPLT
#undef SPLAT_ELEMENT
#undef _SPLAT_MASKED
+#if defined(HOST_WORDS_BIGENDIAN)
+#define VINSERT(suffix, element) \
+ void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
+ { \
+ memmove(&r->u8[index], &b->u8[8 - sizeof(r->element)], \
+ sizeof(r->element[0])); \
+ }
+#else
+#define VINSERT(suffix, element) \
+ void helper_vinsert##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
+ { \
+ uint32_t d = (16 - index) - sizeof(r->element[0]); \
+ memmove(&r->u8[d], &b->u8[8], sizeof(r->element[0])); \
+ }
+#endif
+VINSERT(b, u8)
+VINSERT(h, u16)
+VINSERT(w, u32)
+VINSERT(d, u64)
+#undef VINSERT
#define VSPLTI(suffix, element, splat_type) \
void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 4a882b3..47bd568 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -498,6 +498,8 @@ EXTRACT_HELPER(UIMM, 0, 16);
EXTRACT_HELPER(SIMM5, 16, 5);
/* 5 bits signed immediate value */
EXTRACT_HELPER(UIMM5, 16, 5);
+/* 4 bits unsigned immediate value */
+EXTRACT_HELPER(UIMM4, 16, 4);
/* Bit count */
EXTRACT_HELPER(NB, 11, 5);
/* Shift count */
diff --git a/target-ppc/translate/vmx-impl.inc.c
b/target-ppc/translate/vmx-impl.inc.c
index 37fd5ae..14af89b 100644
--- a/target-ppc/translate/vmx-impl.inc.c
+++ b/target-ppc/translate/vmx-impl.inc.c
@@ -639,13 +639,45 @@ static void glue(gen_, name)(DisasContext *ctx)
\
tcg_temp_free_ptr(rd); \
}
+#define GEN_VXFORM_UIMM_SPLAT(name, opc2, opc3, splat_max) \
+static void glue(gen_, name)(DisasContext *ctx) \
+ { \
+ TCGv_ptr rb, rd; \
+ uint8_t uimm = UIMM4(ctx->opcode); \
+ TCGv_i32 t0 = tcg_temp_new_i32(); \
+ if (unlikely(!ctx->altivec_enabled)) { \
+ gen_exception(ctx, POWERPC_EXCP_VPU); \
+ return; \
+ } \
+ if (uimm > splat_max) { \
+ uimm = 0; \
+ } \
+ tcg_gen_movi_i32(t0, uimm); \
+ rb = gen_avr_ptr(rB(ctx->opcode)); \
+ rd = gen_avr_ptr(rD(ctx->opcode)); \
+ gen_helper_##name(rd, rb, t0); \
+ tcg_temp_free_i32(t0); \
+ tcg_temp_free_ptr(rb); \
+ tcg_temp_free_ptr(rd); \
+ }
+
GEN_VXFORM_UIMM(vspltb, 6, 8);
GEN_VXFORM_UIMM(vsplth, 6, 9);
GEN_VXFORM_UIMM(vspltw, 6, 10);
+GEN_VXFORM_UIMM_SPLAT(vinsertb, 6, 12, 15);
+GEN_VXFORM_UIMM_SPLAT(vinserth, 6, 13, 14);
+GEN_VXFORM_UIMM_SPLAT(vinsertw, 6, 14, 12);
+GEN_VXFORM_UIMM_SPLAT(vinsertd, 6, 15, 8);
GEN_VXFORM_UIMM_ENV(vcfux, 5, 12);
GEN_VXFORM_UIMM_ENV(vcfsx, 5, 13);
GEN_VXFORM_UIMM_ENV(vctuxs, 5, 14);
GEN_VXFORM_UIMM_ENV(vctsxs, 5, 15);
+GEN_VXFORM_DUAL(vspltisb, PPC_NONE, PPC2_ALTIVEC_207,
+ vinsertb, PPC_NONE, PPC2_ISA300);
+GEN_VXFORM_DUAL(vspltish, PPC_NONE, PPC2_ALTIVEC_207,
+ vinserth, PPC_NONE, PPC2_ISA300);
+GEN_VXFORM_DUAL(vspltisw, PPC_NONE, PPC2_ALTIVEC_207,
+ vinsertw, PPC_NONE, PPC2_ISA300);
static void gen_vsldoi(DisasContext *ctx)
{
diff --git a/target-ppc/translate/vmx-ops.inc.c
b/target-ppc/translate/vmx-ops.inc.c
index 2a9f225..e6abeae 100644
--- a/target-ppc/translate/vmx-ops.inc.c
+++ b/target-ppc/translate/vmx-ops.inc.c
@@ -41,6 +41,9 @@ GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE,
PPC2_ALTIVEC_207)
#define GEN_VXFORM_300(name, opc2, opc3) \
GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300)
+#define GEN_VXFORM_300_EXT(name, opc2, opc3, inval) \
+GEN_HANDLER_E(name, 0x04, opc2, opc3, inval, PPC_NONE, PPC2_ISA300)
+
#define GEN_VXFORM_DUAL(name0, name1, opc2, opc3, type0, type1) \
GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1)
@@ -191,11 +194,16 @@ GEN_VXRFORM(vcmpgefp, 3, 7)
GEN_VXRFORM_DUAL(vcmpgtfp, vcmpgtud, 3, 11, PPC_ALTIVEC, PPC_NONE)
GEN_VXRFORM_DUAL(vcmpbfp, vcmpgtsd, 3, 15, PPC_ALTIVEC, PPC_NONE)
-#define GEN_VXFORM_SIMM(name, opc2, opc3) \
- GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC)
-GEN_VXFORM_SIMM(vspltisb, 6, 12),
-GEN_VXFORM_SIMM(vspltish, 6, 13),
-GEN_VXFORM_SIMM(vspltisw, 6, 14),
+#define GEN_VXFORM_DUAL_INV(name0, name1, opc2, opc3, inval0, inval1, type) \
+GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, \
+ PPC_NONE)
+GEN_VXFORM_DUAL_INV(vspltisb, vinsertb, 6, 12, 0x00000000, 0x100000,
+ PPC2_ALTIVEC_207),
+GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000,
+ PPC2_ALTIVEC_207),
+GEN_VXFORM_DUAL_INV(vspltisw, vinsertw, 6, 14, 0x00000000, 0x100000,
+ PPC2_ALTIVEC_207),
+GEN_VXFORM_300_EXT(vinsertd, 6, 15, 0x100000),
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)
--
1.7.1