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Arm64Emitter: Fix Q bit of vector SHL/URSHR encoding

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This doesn't affect any existing callers, because all existing callers
use quad registers.
This commit is contained in:
JosJuice committed 2026-01-18 20:02:49 +01:00
1 parent ff82ae3b5c
commit 84261cfc23
1 file changed
+2 -2
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Source/Core/Common/Arm64Emitter.cpp
+2 -2
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@@ -3664,7 +3664,7 @@ void ARM64FloatEmitter::SHL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift)
{ {
ASSERT_MSG(DYNA_REC, shift < src_size, "Shift amount must be less than the element size! {} {}", ASSERT_MSG(DYNA_REC, shift < src_size, "Shift amount must be less than the element size! {} {}",
shift, src_size); shift, src_size);
EmitShiftImm(1, 0, src_size | shift, 0b01010, Rd, Rn); EmitShiftImm(IsQuad(Rd), 0, src_size | shift, 0b01010, Rd, Rn);
} }
void ARM64FloatEmitter::SSHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift, bool upper) void ARM64FloatEmitter::SSHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift, bool upper)
@@ -3678,7 +3678,7 @@ void ARM64FloatEmitter::URSHR(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift)
{ {
ASSERT_MSG(DYNA_REC, shift < src_size, "Shift amount must be less than the element size! {} {}", ASSERT_MSG(DYNA_REC, shift < src_size, "Shift amount must be less than the element size! {} {}",
shift, src_size); shift, src_size);
EmitShiftImm(1, 1, src_size * 2 - shift, 0b00100, Rd, Rn); EmitShiftImm(IsQuad(Rd), 1, src_size * 2 - shift, 0b00100, Rd, Rn);
} }
void ARM64FloatEmitter::USHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift, bool upper) void ARM64FloatEmitter::USHLL(u8 src_size, ARM64Reg Rd, ARM64Reg Rn, u32 shift, bool upper)