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[Qemu-devel] [4737] TCGify the simplest FP instructions.
From: |
Thiemo Seufer |
Subject: |
[Qemu-devel] [4737] TCGify the simplest FP instructions. |
Date: |
Thu, 12 Jun 2008 03:17:07 +0000 |
Revision: 4737
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4737
Author: ths
Date: 2008-06-12 03:17:06 +0000 (Thu, 12 Jun 2008)
Log Message:
-----------
TCGify the simplest FP instructions.
Modified Paths:
--------------
trunk/target-mips/op.c
trunk/target-mips/op_mem.c
trunk/target-mips/translate.c
Modified: trunk/target-mips/op.c
===================================================================
--- trunk/target-mips/op.c 2008-06-12 03:15:13 UTC (rev 4736)
+++ trunk/target-mips/op.c 2008-06-12 03:17:06 UTC (rev 4737)
@@ -377,14 +377,6 @@
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
-FLOAT_OP(cvtps, s)
-{
- WT2 = WT0;
- WTH2 = WT1;
- DEBUG_FPU_STATE();
- FORCE_RET();
-}
-
FLOAT_OP(pll, ps)
{
DT2 = ((uint64_t)WT0 << 32) | WT1;
@@ -609,25 +601,6 @@
FLOAT_UNOP(chs)
#undef FLOAT_UNOP
-FLOAT_OP(mov, d)
-{
- FDT2 = FDT0;
- DEBUG_FPU_STATE();
- FORCE_RET();
-}
-FLOAT_OP(mov, s)
-{
- FST2 = FST0;
- DEBUG_FPU_STATE();
- FORCE_RET();
-}
-FLOAT_OP(mov, ps)
-{
- FST2 = FST0;
- FSTH2 = FSTH0;
- DEBUG_FPU_STATE();
- FORCE_RET();
-}
FLOAT_OP(alnv, ps)
{
switch (T0 & 0x7) {
Modified: trunk/target-mips/op_mem.c
===================================================================
--- trunk/target-mips/op_mem.c 2008-06-12 03:15:13 UTC (rev 4736)
+++ trunk/target-mips/op_mem.c 2008-06-12 03:17:06 UTC (rev 4737)
@@ -267,14 +267,3 @@
FORCE_RET();
}
#endif /* TARGET_MIPS64 */
-
-void glue(op_luxc1, MEMSUFFIX) (void)
-{
- DT0 = glue(ldq, MEMSUFFIX)(T0 & ~0x7);
- FORCE_RET();
-}
-void glue(op_suxc1, MEMSUFFIX) (void)
-{
- glue(stq, MEMSUFFIX)(T0 & ~0x7, DT0);
- FORCE_RET();
-}
Modified: trunk/target-mips/translate.c
===================================================================
--- trunk/target-mips/translate.c 2008-06-12 03:15:13 UTC (rev 4736)
+++ trunk/target-mips/translate.c 2008-06-12 03:17:06 UTC (rev 4737)
@@ -960,8 +960,6 @@
OP_LD_TABLE(wr);
OP_ST_TABLE(wl);
OP_ST_TABLE(wr);
-OP_LD_TABLE(uxc1);
-OP_ST_TABLE(uxc1);
#define OP_LD(insn,fname) \
void inline op_ldst_##insn(DisasContext *ctx) \
@@ -5651,8 +5649,7 @@
break;
case FOP(6, 16):
gen_load_fpr32(fpu32_T[0], fs);
- gen_op_float_mov_s();
- gen_store_fpr32(fpu32_T[2], fd);
+ gen_store_fpr32(fpu32_T[0], fd);
opn = "mov.s";
break;
case FOP(7, 16):
@@ -5803,9 +5800,12 @@
break;
case FOP(38, 16):
check_cp1_64bitmode(ctx);
- gen_load_fpr32(fpu32_T[1], fs);
- gen_load_fpr32(fpu32_T[0], ft);
- gen_op_float_cvtps_s();
+ gen_load_fpr32(fpu32_T[0], fs);
+ gen_load_fpr32(fpu32_T[1], ft);
+ tcg_gen_extu_i32_i64(fpu64_T[0], fpu32_T[0]);
+ tcg_gen_extu_i32_i64(fpu64_T[1], fpu32_T[1]);
+ tcg_gen_shli_i64(fpu64_T[1], fpu64_T[1], 32);
+ tcg_gen_or_i64(fpu64_T[2], fpu64_T[0], fpu64_T[1]);
gen_store_fpr64(ctx, fpu64_T[2], fd);
opn = "cvt.ps.s";
break;
@@ -5889,8 +5889,7 @@
case FOP(6, 17):
check_cp1_registers(ctx, fs | fd);
gen_load_fpr64(ctx, fpu64_T[0], fs);
- gen_op_float_mov_d();
- gen_store_fpr64(ctx, fpu64_T[2], fd);
+ gen_store_fpr64(ctx, fpu64_T[0], fd);
opn = "mov.d";
break;
case FOP(7, 17):
@@ -6156,9 +6155,8 @@
check_cp1_64bitmode(ctx);
gen_load_fpr32(fpu32_T[0], fs);
gen_load_fpr32h(fpu32h_T[0], fs);
- gen_op_float_mov_ps();
- gen_store_fpr32(fpu32_T[2], fd);
- gen_store_fpr32h(fpu32h_T[2], fd);
+ gen_store_fpr32(fpu32_T[0], fd);
+ gen_store_fpr32h(fpu32h_T[0], fd);
opn = "mov.ps";
break;
case FOP(7, 22):
@@ -6407,7 +6405,8 @@
break;
case OPC_LUXC1:
check_cp1_64bitmode(ctx);
- op_ldst(luxc1);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], ~0x7);
+ tcg_gen_qemu_ld64(fpu64_T[0], cpu_T[0], ctx->mem_idx);
gen_store_fpr64(ctx, fpu64_T[0], fd);
opn = "luxc1";
break;
@@ -6429,7 +6428,8 @@
case OPC_SUXC1:
check_cp1_64bitmode(ctx);
gen_load_fpr64(ctx, fpu64_T[0], fs);
- op_ldst(suxc1);
+ tcg_gen_andi_tl(cpu_T[0], cpu_T[0], ~0x7);
+ tcg_gen_qemu_st64(fpu64_T[0], cpu_T[0], ctx->mem_idx);
opn = "suxc1";
store = 1;
break;
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