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update fat_entry for windows ABI

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jasonmoxham 2010-10-24 10:31:19 +00:00
parent c832f01b9a
commit 19e1c6e90b
1 changed files with 6 additions and 20 deletions
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26
mpn/x86_64w/fat/fat_entry.asm
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@ -181,11 +181,12 @@ deflit(`FRAME',0)
PROLOGUE(__gmpn_cpuid)
pushq %rbx FRAME_pushq()
movq %rsi, %rax
movq %rdx, %rax
movq %rcx, %r8
cpuid
movl %ebx, (%rdi)
movl %edx, 4(%rdi)
movl %ecx, 8(%rdi)
movl %ebx, (%r8)
movl %edx, 4(%r8)
movl %ecx, 8(%r8)
popq %rbx
ret
EPILOGUE()
@ -204,21 +205,6 @@ C
C This is called only once, so just something simple and compact is fine.
PROLOGUE(__gmpn_cpuid_available)
pushf
popq %rcx C old flags
movq %rcx, %rdx
xorq $0x200000, %rdx
pushq %rdx
popf
pushf
popq %rdx C tweaked flags
movq $1, %rax
cmpq %rcx, %rdx
jne L(available)
xorq %rax, %rax C not changed, so cpuid not available
L(available):
movl $1,%eax
ret
EPILOGUE()