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fixup: TZCNT is indicated by the ABM flag, not BMI1

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kyle-elliott-tob
2025-11-25 15:02:09 -05:00
parent 103d56cc9a
commit a1975c386b
1 changed files with 9 additions and 12 deletions
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tests/X86/BMI/TZCNT.S
+9 -12
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@@ -25,11 +25,10 @@ TEST_INPUTS(
0x0080,
0x0800)
// Check CPU for BMI1 support (cpuid fn 0x00000007, bit 3 of ebx)
mov eax, 0x00000007
mov ecx, 0x0
// Check CPU for ABM support (cpuid fn 0x80000001, bit 5 of ecx)
mov eax, 0x80000001
cpuid
and ebx, 0x00000008
and ecx, 0x00000020
jz tzcnt_nop1
// TZCNT supported, proceed with test:
@@ -51,11 +50,10 @@ TEST_INPUTS(
0x00000080,
0x08000000)
// Check CPU for BMI1 support (cpuid fn 0x00000007, bit 3 of ebx)
mov eax, 0x00000007
mov ecx, 0x0
// Check CPU for ABM support (cpuid fn 0x80000001, bit 5 of ecx)
mov eax, 0x80000001
cpuid
and ebx, 0x00000008
and ecx, 0x00000020
jz tzcnt_nop2
// TZCNT supported, proceed with test:
@@ -77,11 +75,10 @@ TEST_INPUTS(
0x0000000000000080,
0x0800000000000000)
// Check CPU for BMI1 support (cpuid fn 0x00000007, bit 3 of ebx)
mov eax, 0x00000007
mov ecx, 0x0
// Check CPU for ABM support (cpuid fn 0x80000001, bit 5 of ecx)
mov eax, 0x80000001
cpuid
and ebx, 0x00000008
and ecx, 0x00000020
jz tzcnt_nop3
// TZCNT supported, proceed with test: