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optimize i386 ___tls_get_addr asm

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This commit is contained in:
Rich Felker 2014-06-19 02:48:45 -04:00
commit 880c479f0e
1 changed files with 8 additions and 1 deletions
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9
src/thread/i386/tls.s
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@ -2,7 +2,14 @@
.global ___tls_get_addr
.type ___tls_get_addr,@function
___tls_get_addr:
push %eax
mov %gs:4,%edx
mov (%eax),%ecx
cmp %ecx,(%edx)
jc 1f
mov 4(%eax),%eax
add (%edx,%ecx,4),%eax
ret
1: push %eax
call __tls_get_addr
pop %edx
ret