diff options
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/cpuid.h | 5 | ||||
| -rw-r--r-- | gcc/config/i386/driver-i386.c | 5 |
3 files changed, 15 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 57c754b9535..54590f2453b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2012-08-13 Ganesh Gopalasubramanian <Ganesh.Gopalasubramanian@amd.com> + Jakub Jelinek <jakub@redhat.com> + + PR driver/54210 + * config/i386/driver-i386.c (host_detect_local_cpu): Test bit_PRFCHW + bit of CPUID 0x80000001 %ecx instead of CPUID 7 %ecx. + * config/i386/cpuid.h (bits_PRFCHW): Move definition to CPUID + 0x80000001 %ecx flags. + 2012-08-13 Richard Guenther <rguenther@suse.de> * tree-cfg.c (print_loop): Avoid ICEing for loops marked for diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h index 1ac3174ef3a..a26dc9b4156 100644 --- a/gcc/config/i386/cpuid.h +++ b/gcc/config/i386/cpuid.h @@ -1,5 +1,6 @@ /* - * Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc. + * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 + * Free Software Foundation, Inc. * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -52,6 +53,7 @@ #define bit_LAHF_LM (1 << 0) #define bit_ABM (1 << 5) #define bit_SSE4a (1 << 6) +#define bit_PRFCHW (1 << 8) #define bit_XOP (1 << 11) #define bit_LWP (1 << 15) #define bit_FMA4 (1 << 16) @@ -69,7 +71,6 @@ #define bit_HLE (1 << 4) #define bit_AVX2 (1 << 5) #define bit_BMI2 (1 << 8) -#define bit_PRFCHW (1 << 8) #define bit_RTM (1 << 11) #define bit_RDSEED (1 << 18) #define bit_ADX (1 << 19) diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index 0b56f3f47b1..b5ae18f18b3 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -1,5 +1,6 @@ /* Subroutines for the gcc driver. - Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc. + Copyright (C) 2006, 2007, 2008, 2010, 2011, 2012 + Free Software Foundation, Inc. This file is part of GCC. @@ -467,7 +468,6 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_bmi2 = ebx & bit_BMI2; has_fsgsbase = ebx & bit_FSGSBASE; has_rdseed = ebx & bit_RDSEED; - has_prfchw = ecx & bit_PRFCHW; has_adx = ebx & bit_ADX; } @@ -488,6 +488,7 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_xop = ecx & bit_XOP; has_tbm = ecx & bit_TBM; has_lzcnt = ecx & bit_LZCNT; + has_prfchw = ecx & bit_PRFCHW; has_longmode = edx & bit_LM; has_3dnowp = edx & bit_3DNOWP; |