ShuriZma
/
xenia
mirror of https://github.com/xenia-project/xenia.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[a64] Fix signed MUL_HI

This commit is contained in:
Wunkolo 2024-05-10 08:20:30 -07:00
parent 1bdc243e05
commit 866ce9756a
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/xenia/cpu/backend/a64/a64_sequences.cc
View File

@ -1495,17 +1495,17 @@ struct MUL_HI_I32
if (i.src1.is_constant) {
assert_true(!i.src2.is_constant);
e.MOV(W0, i.src1.constant());
e.UMULL(X0, W0, i.src2);
e.SMULL(X0, W0, i.src2);
e.UBFX(X0, X0, 32, 32);
e.MOV(i.dest, X0.toW());
} else if (i.src2.is_constant) {
assert_true(!i.src1.is_constant);
e.MOV(W0, i.src2.constant());
e.UMULL(X0, W0, i.src2);
e.SMULL(X0, W0, i.src2);
e.UBFX(X0, X0, 32, 32);
e.MOV(i.dest, X0.toW());
} else {
e.UMULL(X0, W0, i.src2);
e.SMULL(X0, W0, i.src2);
e.UBFX(X0, X0, 32, 32);
e.MOV(i.dest, X0.toW());
}
@ -1531,13 +1531,13 @@ struct MUL_HI_I64
if (i.src1.is_constant) {
assert_true(!i.src2.is_constant);
e.MOV(X0, i.src1.constant());
e.UMULH(i.dest, X0, i.src2);
e.SMULH(i.dest, X0, i.src2);
} else if (i.src2.is_constant) {
assert_true(!i.src1.is_constant);
e.MOV(X0, i.src2.constant());
e.UMULH(i.dest, i.src1, X0);
e.SMULH(i.dest, i.src1, X0);
} else {
e.UMULH(i.dest, i.src1, i.src2);
e.SMULH(i.dest, i.src1, i.src2);
}
}
}