Yaya48/dolphin
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Jit: Implement error-free transformation for single-precision FMA

Browse Source 
This implements the equivalent of 07443e2d41 in Jit64 and JitArm64.
Aims to fix https://bugs.dolphin-emu.org/issues/13865.
This commit is contained in:
JosJuice
2026-01-18 20:02:49 +01:00
parent 6ac7ffcdd7
commit 58487f1633
25 changed files with 867 additions and 150 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/Core/Common/Arm64Emitter.h
+16
View File
@@ -800,6 +800,7 @@ public:
ARM64Reg zr = Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR;
CSINV(Rd, zr, zr, (CCFlags)((u32)cond ^ 1));
}
void CNEG(ARM64Reg Rd, ARM64Reg Rn, CCFlags cond) { CSNEG(Rd, Rn, Rn, (CCFlags)((u32)cond ^ 1)); }
void NEG(ARM64Reg Rd, ARM64Reg Rs) { SUB(Rd, Is64Bit(Rd) ? ARM64Reg::ZR : ARM64Reg::WZR, Rs); }
void NEG(ARM64Reg Rd, ARM64Reg Rs, ArithOption Option)
{
@@ -1281,6 +1282,7 @@ public:
void BIT(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void BSL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void DUP(u8 size, ARM64Reg Rd, ARM64Reg Rn, u8 index);
void EOR(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void FABS(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void FADD(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void FMAX(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
@@ -1342,6 +1344,19 @@ public:
void SCVTF(ARM64Reg Rd, ARM64Reg Rn, int scale);
void UCVTF(ARM64Reg Rd, ARM64Reg Rn, int scale);
// Comparison
void CMEQ(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void CMEQ(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void CMGE(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void CMGE(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void CMGT(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void CMGT(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void CMHI(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void CMHS(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
void CMLE(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void CMLT(u8 size, ARM64Reg Rd, ARM64Reg Rn);
void CMTST(u8 size, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm);
// Float comparison
void FCMP(ARM64Reg Rn, ARM64Reg Rm);
void FCMP(ARM64Reg Rn);
@@ -1380,6 +1395,7 @@ public:
void SHL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void SSHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void SSHLL2(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void SSHR(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void URSHR(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void USHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);
void USHLL2(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift);