From f63d5db67c5ac9da31e03e389fa454314ef96a35 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 22 May 2012 09:24:24 -0700 Subject: Use "neg %eax" in i386 SYSCALL_ERROR_HANDLER --- ChangeLog | 3 +++ sysdeps/unix/sysv/linux/i386/sysdep.h | 15 ++++++--------- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/ChangeLog b/ChangeLog index ee29e04166..1918d8bf0f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2012-05-22 H.J. Lu + * sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER): + Use "neg %eax". + * time/mktime.c: Update copyright years. 2012-05-22 Paul Eggert diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index e7d7103b96..6c4f778914 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -112,9 +112,8 @@ # define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG(cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - movl %edx, rtld_errno@GOTOFF(%ecx); \ + negl %eax; \ + movl %eax, rtld_errno@GOTOFF(%ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); @@ -129,9 +128,8 @@ 0:SETUP_PIC_REG (cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ movl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%ecx), %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx); \ + negl %eax; \ + SYSCALL_ERROR_HANDLER_TLS_STORE (%eax, %ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); # ifndef NO_TLS_DIRECT_SEG_REFS @@ -147,10 +145,9 @@ # define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG(cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ + negl %eax; \ movl errno@GOT(%ecx), %ecx; \ - movl %edx, (%ecx); \ + movl %eax, (%ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); # endif /* _LIBC_REENTRANT */ -- cgit 1.4.1