From 6d1e7ba62393aa514c3f122d4263f00426a2e47e Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Thu, 7 Feb 2002 10:39:06 +0000 Subject: [PATCH] Do not use branch likely. --- sysdeps/mips/atomicity.h | 31 +++++++++++-------------------- sysdeps/unix/sysv/linux/mips/sys/tas.h | 11 +++++------ 2 files changed, 16 insertions(+), 26 deletions(-) diff --git a/sysdeps/mips/atomicity.h b/sysdeps/mips/atomicity.h index 4d18507..a1a7761 100644 --- a/sysdeps/mips/atomicity.h +++ b/sysdeps/mips/atomicity.h @@ -1,5 +1,5 @@ /* Low-level functions for atomic operations. Mips version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,16 +32,12 @@ exchange_and_add (volatile uint32_t *mem, int val) int result, tmp; __asm__ __volatile__ - ("/* Inline exchange & add */\n\t" - "ll %0,%3\n" + ("/* Inline exchange & add */\n" "1:\n\t" + "ll %0,%3\n\t" "addu %1,%4,%0\n\t" "sc %1,%2\n\t" - ".set push\n\t" - ".set noreorder\n\t" - "beqzl %1,1b\n\t" - " ll %0,%3\n\t" - ".set pop\n\t" + "beqz %1,1b\n\t" "/* End exchange & add */" : "=&r"(result), "=&r"(tmp), "=m"(*mem) : "m" (*mem), "r"(val) @@ -57,16 +53,12 @@ atomic_add (volatile uint32_t *mem, int val) int result; __asm__ __volatile__ - ("/* Inline atomic add */\n\t" - "ll %0,%2\n" + ("/* Inline atomic add */\n" "1:\n\t" + "ll %0,%2\n\t" "addu %0,%3,%0\n\t" "sc %0,%1\n\t" - ".set push\n\t" - ".set noreorder\n\t" - "beqzl %0,1b\n\t" - " ll %0,%2\n\t" - ".set pop\n\t" + "beqz %0,1b\n\t" "/* End atomic add */" : "=&r"(result), "=m"(*mem) : "m" (*mem), "r"(val) @@ -80,18 +72,17 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval) long int ret, temp; __asm__ __volatile__ - ("/* Inline compare & swap */\n\t" - "ll %1,%5\n" + ("/* Inline compare & swap */\n" "1:\n\t" + "ll %1,%5\n\t" ".set push\n\t" ".set noreorder\n\t" "bne %1,%3,2f\n\t" " move %0,$0\n\t" + ".set pop\n\t" "move %0,%4\n\t" "sc %0,%2\n\t" - "beqzl %0,1b\n\t" - " ll %1,%5\n\t" - ".set pop\n" + "beqz %0,1b\n" "2:\n\t" "/* End compare & swap */" : "=&r" (ret), "=&r" (temp), "=m" (*p) diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h index 3396708..1bfbbcf 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/tas.h +++ b/sysdeps/unix/sysv/linux/mips/sys/tas.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maciej W. Rozycki , 2000. @@ -42,17 +42,16 @@ _test_and_set (int *p, int v) __THROW int r, t; __asm__ __volatile__ - ("/* Inline test and set */\n\t" - "ll %0,%3\n" + ("/* Inline test and set */\n" "1:\n\t" + "ll %0,%3\n\t" ".set push\n\t" ".set noreorder\n\t" "beq %0,%4,2f\n\t" " move %1,%4\n\t" + ".set pop\n\t" "sc %1,%2\n\t" - "beqzl %1,1b\n\t" - " ll %0,%3\n\t" - ".set pop\n" + "beqz %1,1b\n" "2:\n\t" "/* End test and set */" : "=&r" (r), "=&r" (t), "=m" (*p) -- 2.7.4