From: Rasmus Villemoes linux@rasmusvillemoes.dk
commit 88ca66d8540ca26119b1428cddb96b37925bdf01 upstream.
The minimum supported gcc version is >= 4.6, so these can be removed.
Signed-off-by: Rasmus Villemoes linux@rasmusvillemoes.dk Signed-off-by: Borislav Petkov bp@suse.de Cc: "H. Peter Anvin" hpa@zytor.com Cc: Dan Williams dan.j.williams@intel.com Cc: Geert Uytterhoeven geert@linux-m68k.org Cc: Ingo Molnar mingo@redhat.com Cc: Matthew Wilcox willy@infradead.org Cc: Peter Zijlstra peterz@infradead.org Cc: Thomas Gleixner tglx@linutronix.de Cc: x86-ml x86@kernel.org Link: https://lkml.kernel.org/r/20190111084931.24601-1-linux@rasmusvillemoes.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/x86/include/asm/bitops.h | 6 ------ arch/x86/include/asm/string_32.h | 20 -------------------- arch/x86/include/asm/string_64.h | 15 --------------- 3 files changed, 41 deletions(-)
--- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -36,13 +36,7 @@ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). */
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) -/* Technically wrong, but this avoids compilation errors on some gcc - versions. */ -#define BITOP_ADDR(x) "=m" (*(volatile long *) (x)) -#else #define BITOP_ADDR(x) "+m" (*(volatile long *) (x)) -#endif
#define ADDR BITOP_ADDR(addr)
--- a/arch/x86/include/asm/string_32.h +++ b/arch/x86/include/asm/string_32.h @@ -179,14 +179,7 @@ static inline void *__memcpy3d(void *to, * No 3D Now! */
-#if (__GNUC__ >= 4) #define memcpy(t, f, n) __builtin_memcpy(t, f, n) -#else -#define memcpy(t, f, n) \ - (__builtin_constant_p((n)) \ - ? __constant_memcpy((t), (f), (n)) \ - : __memcpy((t), (f), (n))) -#endif
#endif #endif /* !CONFIG_FORTIFY_SOURCE */ @@ -282,12 +275,7 @@ void *__constant_c_and_count_memset(void
{ int d0, d1; -#if __GNUC__ == 4 && __GNUC_MINOR__ == 0 - /* Workaround for broken gcc 4.0 */ - register unsigned long eax asm("%eax") = pattern; -#else unsigned long eax = pattern; -#endif
switch (count % 4) { case 0: @@ -321,15 +309,7 @@ void *__constant_c_and_count_memset(void #define __HAVE_ARCH_MEMSET extern void *memset(void *, int, size_t); #ifndef CONFIG_FORTIFY_SOURCE -#if (__GNUC__ >= 4) #define memset(s, c, count) __builtin_memset(s, c, count) -#else -#define memset(s, c, count) \ - (__builtin_constant_p(c) \ - ? __constant_c_x_memset((s), (0x01010101UL * (unsigned char)(c)), \ - (count)) \ - : __memset((s), (c), (count))) -#endif #endif /* !CONFIG_FORTIFY_SOURCE */
#define __HAVE_ARCH_MEMSET16 --- a/arch/x86/include/asm/string_64.h +++ b/arch/x86/include/asm/string_64.h @@ -14,21 +14,6 @@ extern void *memcpy(void *to, const void *from, size_t len); extern void *__memcpy(void *to, const void *from, size_t len);
-#ifndef CONFIG_FORTIFY_SOURCE -#if (__GNUC__ == 4 && __GNUC_MINOR__ < 3) || __GNUC__ < 4 -#define memcpy(dst, src, len) \ -({ \ - size_t __len = (len); \ - void *__ret; \ - if (__builtin_constant_p(len) && __len >= 64) \ - __ret = __memcpy((dst), (src), __len); \ - else \ - __ret = __builtin_memcpy((dst), (src), __len); \ - __ret; \ -}) -#endif -#endif /* !CONFIG_FORTIFY_SOURCE */ - #define __HAVE_ARCH_MEMSET void *memset(void *s, int c, size_t n); void *__memset(void *s, int c, size_t n);