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set rounding mode only when BOX86_DYNAREC_FASTROUND != 1
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@Hagb
Hagb committed Apr 14, 2024
1 parent bb0436a commit 1d9d9ab
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Showing 5 changed files with 238 additions and 148 deletions.
67 changes: 44 additions & 23 deletions src/dynarec/dynarec_arm_d8.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
Expand Down Expand Up @@ -54,13 +53,15 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
INST_NAME("FADD ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop&7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7, X87_COMBINE(0, nextop&7));
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VADD_F32(v1, v1, v2);
} else {
VADD_F64(v1, v1, v2);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 0xC8:
case 0xC9:
Expand Down Expand Up @@ -129,13 +130,15 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
INST_NAME("FSUB ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop&7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7, X87_COMBINE(0, nextop&7));
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VSUB_F32(v1, v1, v2);
} else {
VSUB_F64(v1, v1, v2);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 0xE8:
case 0xE9:
Expand All @@ -148,13 +151,15 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
INST_NAME("FSUBR ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop&7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7, X87_COMBINE(0, nextop&7));
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VSUB_F32(v1, v2, v1);
} else {
VSUB_F64(v1, v2, v1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 0xF0:
case 0xF1:
Expand All @@ -167,13 +172,15 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
INST_NAME("FDIV ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop&7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7, X87_COMBINE(0, nextop&7));
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VDIV_F32(v1, v1, v2);
} else {
VDIV_F64(v1, v1, v2);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 0xF8:
case 0xF9:
Expand All @@ -186,13 +193,15 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
INST_NAME("FDIVR ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop&7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7, X87_COMBINE(0, nextop&7));
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VDIV_F32(v1, v2, v1);
} else {
VDIV_F64(v1, v2, v1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;

default:
Expand All @@ -210,14 +219,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VADD_F32(v1, v1, s0);
} else {
VCVT_F64_F32(d1, s0);
VADD_F64(v1, v1, d1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 1:
INST_NAME("FMUL ST0, float[ED]");
Expand All @@ -232,14 +243,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VMUL_F32(v1, v1, s0);
} else {
VCVT_F64_F32(d1, s0);
VMUL_F64(v1, v1, d1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 2:
INST_NAME("FCOM ST0, float[ED]");
Expand Down Expand Up @@ -297,14 +310,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VSUB_F32(v1, v1, s0);
} else {
VCVT_F64_F32(d1, s0);
VSUB_F64(v1, v1, d1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 5:
INST_NAME("FSUBR ST0, float[ED]");
Expand All @@ -319,14 +334,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VSUB_F32(v1, s0, v1);
} else {
VCVT_F64_F32(d1, s0);
VSUB_F64(v1, d1, v1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 6:
INST_NAME("FDIV ST0, float[ED]");
Expand All @@ -341,14 +358,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VDIV_F32(v1, v1, s0);
} else {
VCVT_F64_F32(d1, s0);
VDIV_F64(v1, v1, d1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
case 7:
INST_NAME("FDIVR ST0, float[ED]");
Expand All @@ -363,14 +382,16 @@ uintptr_t dynarecD8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
GETED;
VMOVtoV(s0, ed);
}
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(!box86_dynarec_fastround)
u8 = x87_setround(dyn, ninst, x1, x2, x14);
if(ST_IS_F(0)) {
VDIV_F32(v1, s0, v1);
} else {
VCVT_F64_F32(d1, s0);
VDIV_F64(v1, d1, v1);
}
x87_restoreround(dyn, ninst, u8);
if(!box86_dynarec_fastround)
x87_restoreround(dyn, ninst, u8);
break;
default:
DEFAULT;
Expand Down
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