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Improve dead code elimination

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This commit is contained in:
Justine Tunney
2021-02-08 04:04:42 -08:00
parent 760db8c5ad
commit 0e36cb3ac4
6606 changed files with 9685 additions and 9854 deletions
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12
libc/nexgen32e/x86info.h
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@@ -2,12 +2,12 @@
#define COSMOPOLITAN_LIBC_NEXGEN32E_X86INFO_H_
#include "libc/nexgen32e/kcpuids.h"
#define kX86CpuStepping ((KCPUIDS(1H, EAX) >> 0) & 0b1111)
#define kX86CpuModelid ((KCPUIDS(1H, EAX) >> 4) & 0b1111)
#define kX86CpuFamilyid ((KCPUIDS(1H, EAX) >> 8) & 0b1111)
#define kX86CpuType ((KCPUIDS(1H, EAX) >> 12) & 0b11)
#define kX86CpuExtmodelid ((KCPUIDS(1H, EAX) >> 16) & 0b1111)
#define kX86CpuExtfamilyid ((KCPUIDS(1H, EAX) >> 20) & 0b11111111)
#define kX86CpuStepping ((KCPUIDS(1H, EAX) >> 0) & 15)
#define kX86CpuModelid ((KCPUIDS(1H, EAX) >> 4) & 15)
#define kX86CpuFamilyid ((KCPUIDS(1H, EAX) >> 8) & 15)
#define kX86CpuType ((KCPUIDS(1H, EAX) >> 12) & 3)
#define kX86CpuExtmodelid ((KCPUIDS(1H, EAX) >> 16) & 15)
#define kX86CpuExtfamilyid ((KCPUIDS(1H, EAX) >> 20) & 255)
#define kX86CpuFamily \
(kX86CpuFamilyid + (kX86CpuFamily == 15 ? kX86CpuExtfamilyid : 0))