Remove unnecessary instructions from x86/x86_64 syscalls.

__set_errno returns -1 exactly so that callers don't need to bother. The other architectures were already taking advantage of this, but no one had ever fixed x86 and x86_64. Change-Id: Ie131494be664f6c4a1bbf8c61bbbed58eac56122
2014-06-05 17:24:30 -07:00
parent 50b79530c6
commit 15a0456d0b
386 changed files with 1 additions and 388 deletions
--- a/libc/arch-x86/syscalls/sendfile64.S
+++ b/libc/arch-x86/syscalls/sendfile64.S
@@ -27,7 +27,6 @@ ENTRY(sendfile64)
    pushl   %eax
    call    __set_errno
    addl    $4, %esp
-    orl     $-1, %eax
 1:
    popl    %esi
    popl    %edx