steam-frame/FEX-Emu--FEX
1
0 Fork 0
mirror of https://github.com/FEX-Emu/FEX.git synced 2026-10-06 18:00:17 +02:00
Code Issues Packages Projects Releases 66 Wiki Activity

Merge pull request #5643 from lioncash/rec

Browse Source 
VectorOps: Avoid temporary if able in 256-bit VFRecp
This commit is contained in:
Ryan Houdek authored and GitHub committed 2026-07-01 17:25:33 -07:00
2 parents b9aeccf13b 4c27dfd5eb
commit 5f1c8efe0e
2 files changed
+11 -7
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

FEXCore/Source/Interface/Core/JIT/VectorOps.cpp
+8 -3
View File
@@ -1536,9 +1536,14 @@ DEF_OP(VFRecp) {
return;
}
fmov(SubRegSize.Vector, VTMP1.Z(), 1.0);
fdiv(SubRegSize.Vector, VTMP1.Z(), Pred, VTMP1.Z(), Vector.Z());
mov(Dst.Z(), VTMP1.Z());
if (Dst != Vector) {
fmov(SubRegSize.Vector, Dst.Z(), 1.0);
fdiv(SubRegSize.Vector, Dst.Z(), Pred, Dst.Z(), Vector.Z());
} else {
fmov(SubRegSize.Vector, VTMP1.Z(), 1.0);
fdiv(SubRegSize.Vector, VTMP1.Z(), Pred, VTMP1.Z(), Vector.Z());
mov(Dst.Z(), VTMP1.Z());
}
} else {
if (IsScalar) {
if (ElementSize == IR::OpSize::i32Bit && HostSupportsRPRES) {
unittests/InstructionCountCI/VEX_map1.json
+3 -4
View File
@@ -631,14 +631,13 @@
]
},
"vrcpps ymm0, ymm1": {
"ExpectedInstructionCount": 3,
"ExpectedInstructionCount": 2,
"Comment": [
"Map 1 0b00 0x53 256-bit"
],
"ExpectedArm64ASM": [
"fmov z0.s, #0x70 (1.0000)",
"fdiv z0.s, p7/m, z0.s, z17.s",
"mov z16.d, z0.d"
"fmov z16.s, #0x70 (1.0000)",
"fdiv z16.s, p7/m, z16.s, z17.s"
]
},
"vrcpss xmm0, xmm1, xmm2": {