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