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- From: Natanael Copa <natanael.copa@gmail.com>
- Date: Thu, 5 Jul 2012 11:55:19 +0000
- Subject: [PATCH] i386/bits/syscalls.h: allow immediate values as 6th syscall
- arg
- Allow use of immedate values as the 6th syscall argument. Otherwise we must
- store the arg on memory. This gives gcc more options to optimize better.
- This also works around an issue with posix_fallocate.
- Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
- Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
- ---
- --- a/libc/sysdeps/linux/i386/bits/syscalls.h
- +++ b/libc/sysdeps/linux/i386/bits/syscalls.h
- @@ -136,7 +136,7 @@ __asm__ (
- #define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
- , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)
- #define ASMFMT_6(arg1, arg2, arg3, arg4, arg5, arg6) \
- - , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "m" (arg6)
- + , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "g" (arg6)
-
- #else /* !PIC */
-
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