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[ARM64_DYNAREC] Reworked 8/16/32/64 OR opcodes
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This commit is contained in:
ptitSeb 2024-11-13 17:34:21 +01:00
parent 8868023ce9
commit 2515096f56
6 changed files with 62 additions and 76 deletions
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6
src/dynarec/arm64/dynarec_arm64_66.c
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@ -119,8 +119,7 @@ uintptr_t dynarec64_66(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
SETFLAGS(X_ALL, SF_SET_PENDING);
i32 = F16;
UXTHw(x1, xRAX);
MOV32w(x2, i32);
emit_or16(dyn, ninst, x1, x2, x3, x4);
emit_or16c(dyn, ninst, x1, i32, x3, x4);
BFIz(xRAX, x1, 0, 16);
break;
@ -493,8 +492,7 @@ uintptr_t dynarec64_66(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
SETFLAGS(X_ALL, SF_SET_PENDING);
GETEW(x1, (opcode==0x81)?2:1);
if(opcode==0x81) i16 = F16S; else i16 = F8S;
MOVZw(x5, i16);
emit_or16(dyn, ninst, x1, x5, x2, x4);
emit_or16c(dyn, ninst, x1, i16, x2, x4);
EWBACK;
break;
case 2: //ADC

3
src/dynarec/arm64/dynarec_arm64_6664.c
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@ -151,8 +151,7 @@ uintptr_t dynarec64_6664(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
grab_segdata(dyn, addr, ninst, x1, seg);
GETEWO(x1, (opcode==0x81)?2:1);
if(opcode==0x81) i16 = F16S; else i16 = F8S;
MOVZw(x5, i16);
emit_or16(dyn, ninst, x1, x5, x2, x4);
emit_or16c(dyn, ninst, x1, i16, x2, x4);
EWBACK;
break;
case 2: //ADC

18
src/dynarec/arm64/dynarec_arm64_66f0.c
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@ -327,25 +327,33 @@ uintptr_t dynarec64_66F0(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
if(MODREG) {
if(opcode==0x81) i32 = F16S; else i32 = F8S;
ed = xRAX+(nextop&7)+(rex.b<<3);
MOV32w(x5, i32);
UXTHw(x6, ed);
emit_or16(dyn, ninst, x6, x5, x3, x4);
emit_or16c(dyn, ninst, x6, i32, x3, x4);
BFIx(ed, x6, 0, 16);
} else {
addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, NULL, 0, 0, rex, LOCK_LOCK, 0, (opcode==0x81)?2:1);
if(opcode==0x81) i32 = F16S; else i32 = F8S;
MOV32w(x5, i32);
i64 = convert_bitmask_xw(i32);
if(!i64) {MOV32w(x5, i32);}
if(arm64_atomics) {
UFLAG_IF {
LDSETALH(x5, x1, wback);
emit_or16(dyn, ninst, x1, x5, x3, x4);
if(i64) {
emit_or16c(dyn, ninst, x1, i32, x3, x4);
} else {
emit_or16(dyn, ninst, x1, x5, x3, x4);
}
} else {
STSETLH(x5, wback);
}
} else {
MARKLOCK;
LDAXRH(x1, wback);
emit_or16(dyn, ninst, x1, x5, x3, x4);
if(i64) {
emit_or16c(dyn, ninst, x1, i32, x3, x4);
} else {
emit_or16(dyn, ninst, x1, x5, x3, x4);
}
STLXRH(x3, x1, wback);
CBNZx_MARKLOCK(x3);
}

3
src/dynarec/arm64/dynarec_arm64_67.c
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@ -818,8 +818,7 @@ uintptr_t dynarec64_67(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
SETFLAGS(X_ALL, SF_SET_PENDING);
GETEW32(x1, (opcode==0x81)?2:1);
if(opcode==0x81) i16 = F16S; else i16 = F8S;
MOVZw(x5, i16);
emit_or16(dyn, ninst, x1, x5, x2, x4);
emit_or16c(dyn, ninst, x1, i16, x2, x4);
EWBACK;
break;
case 2: //ADC

106
src/dynarec/arm64/dynarec_arm64_emit_logic.c
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@ -73,18 +73,18 @@ void emit_or32(dynarec_arm_t* dyn, int ninst, rex_t rex, int s1, int s2, int s3,
// emit OR32 instruction, from s1 , constant c, store result in s1 using s3 and s4 as scratch
void emit_or32c(dynarec_arm_t* dyn, int ninst, rex_t rex, int s1, int64_t c, int s3, int s4)
{
int mask = convert_bitmask_xw(c);
if(!mask) {
MOV64xw(s3, c);
emit_or32(dyn, ninst, rex, s1, s3, s3, s4);
return;
}
IFX(X_PEND) {
SET_DF(s4, rex.w?d_or64:d_or32);
} else IFX(X_ALL) {
SET_DFNONE(s4);
}
int mask = convert_bitmask_xw(c);
if(mask) {
ORRxw_mask(s1, s1, (mask>>12)&1, mask&0x3F, (mask>>6)&0x3F);
} else {
MOV64xw(s3, c);
ORRxw_REG(s1, s1, s3);
}
ORRxw_mask(s1, s1, (mask>>12)&1, mask&0x3F, (mask>>6)&0x3F);
IFX(X_PEND) {
STRxw_U12(s1, xEmu, offsetof(x64emu_t, res));
}
@ -331,9 +331,9 @@ void emit_or8(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4)
{
MAYUSE(s2);
IFX(X_PEND) {
SET_DF(s3, d_or8);
SET_DF(s4, d_or8);
} else IFX(X_ALL) {
SET_DFNONE(s3);
SET_DFNONE(s4);
}
ORRw_REG(s1, s1, s2);
IFX(X_PEND) {
@ -352,18 +352,18 @@ void emit_or8(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4)
// emit OR8 instruction, from s1 , constant c, store result in s1 using s3 and s4 as scratch
void emit_or8c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4)
{
int mask = convert_bitmask_w(c);
if(!mask) {
MOV32w(s3, c);
emit_or8c(dyn, ninst, s1, s3, s3, s4);
return;
}
IFX(X_PEND) {
SET_DF(s4, d_or8);
} else IFX(X_ALL) {
SET_DFNONE(s4);
}
int mask = convert_bitmask_w(c);
if(mask) {
ORRw_mask(s1, s1, mask&0x3F, (mask>>6)&0x3F);
} else {
MOV32w(s3, c&0xff);
ORRw_REG(s1, s1, s3);
}
ORRw_mask(s1, s1, mask&0x3F, (mask>>6)&0x3F);
IFX(X_PEND) {
STRB_U12(s1, xEmu, offsetof(x64emu_t, res));
}
@ -518,9 +518,9 @@ void emit_or16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4)
{
MAYUSE(s2);
IFX(X_PEND) {
SET_DF(s3, d_or16);
SET_DF(s4, d_or16);
} else IFX(X_ALL) {
SET_DFNONE(s3);
SET_DFNONE(s4);
}
ORRw_REG(s1, s1, s2);
IFX(X_PEND) {
@ -537,50 +537,32 @@ void emit_or16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4)
}
// emit OR16 instruction, from s1 , constant c, store result in s1 using s3 and s4 as scratch
//void emit_or16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4)
//{
// IFX(X_PEND) {
// MOVW(s3, c);
// STR_IMM9(s1, xEmu, offsetof(x64emu_t, op1));
// STR_IMM9(s3, xEmu, offsetof(x64emu_t, op2));
// SET_DF(s4, d_or16);
// } else IFX(X_ALL) {
// SET_DFNONE(s4);
// }
// if(c>=0 && c<256) {
// IFX(X_ALL) {
// ORRS_IMM8(s1, s1, c, 0);
// } else {
// ORR_IMM8(s1, s1, c, 0);
// }
// } else {
// IFX(X_PEND) {} else {MOVW(s3, c);}
// IFX(X_ALL) {
// ORRS_REG_LSL_IMM5(s1, s1, s3, 0);
// } else {
// ORR_REG_LSL_IMM5(s1, s1, s3, 0);
// }
// }
// IFX(X_PEND) {
// STR_IMM9(s1, xEmu, offsetof(x64emu_t, res));
// }
// IFX(X_CF | X_AF | X_ZF) {
// BIC_IMM8(xFlags, xFlags, (1<<F_CF)|(1<<F_AF)|(1<<F_ZF), 0);
// }
// IFX(X_OF) {
// BIC_IMM8(xFlags, xFlags, 0b10, 0x0b);
// }
// IFX(X_ZF) {
// ORR_IMM8_COND(cEQ, xFlags, xFlags, 1<<F_ZF, 0);
// }
// IFX(X_SF) {
// MOV_REG_LSR_IMM5(s3, s1, 15);
// BFI(xFlags, s3, F_SF, 1);
// }
// IFX(X_PF) {
// emit_pf(dyn, ninst, s1, s4);
// }
//}
void emit_or16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4)
{
int mask = convert_bitmask_w(c);
if(!mask) {
MOV32w(s3, c);
emit_or16c(dyn, ninst, s1, s3, s3, s4);
return;
}
IFX(X_PEND) {
SET_DF(s4, d_or16);
} else IFX(X_ALL) {
SET_DFNONE(s4);
}
ORRw_mask(s1, s1, mask&0x3F, (mask>>6)&0x3F);
IFX(X_PEND) {
STRH_U12(s1, xEmu, offsetof(x64emu_t, res));
}
IFX(X_CF | X_AF | X_OF) {
MOV32w(s3, (1<<F_CF)|(1<<F_AF)|(1<<F_OF));
BICw(xFlags, xFlags, s3);
}
COMP_ZFSF(s1, 16)
IFX(X_PF) {
emit_pf(dyn, ninst, s1, s4);
}
}
// emit XOR16 instruction, from s1, s2, store result in s1 using s3 and s4 as scratch, s4 can be same as s2 (and so s2 destroyed)
void emit_xor16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4)

2
src/dynarec/arm64/dynarec_arm64_helper.h
View File

@ -1460,7 +1460,7 @@ void emit_add16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4);
void emit_sub16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4);
//void emit_sub16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4);
void emit_or16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4);
//void emit_or16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4);
void emit_or16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4);
void emit_xor16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4);
//void emit_xor16c(dynarec_arm_t* dyn, int ninst, int s1, int32_t c, int s3, int s4);
void emit_and16(dynarec_arm_t* dyn, int ninst, int s1, int s2, int s3, int s4);