diff options
| author | Uros Bizjak <uros@gcc.gnu.org> | 2011-05-22 20:53:32 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2011-05-22 20:53:32 +0200 |
| commit | ef230b38360a3565c7cf88023fc109e3e76e119b (patch) | |
| tree | 9e5fdec048d251da342293835312e65384c5ceea | |
| parent | 7a1db261dec3c7da38f1576a03ec44167649c1af (diff) | |
| download | gcc-ef230b38360a3565c7cf88023fc109e3e76e119b.zip gcc-ef230b38360a3565c7cf88023fc109e3e76e119b.tar.gz gcc-ef230b38360a3565c7cf88023fc109e3e76e119b.tar.bz2 | |
re PR bootstrap/49104 (bootstrap failure on AMD K6-2 with illegal instruction (cmove) in stage2)
PR target/49104
* config/i386/cpuid.h (bit_MMXEXT): New define.
libcpp/ChangeLog:
2011-05-22 Uros Bizjak <ubizjak@gmail.com>
PR target/49104
* lex.c (init_vectorized_lexer): Do not set "minimum" when __3dNOW_A__
is defined. Check bit_MMXEXT and bit_CMOV to use search_line_mmx.
From-SVN: r174032
| -rw-r--r-- | gcc/ChangeLog | 11 | ||||
| -rw-r--r-- | gcc/config/i386/cpuid.h | 1 | ||||
| -rw-r--r-- | libcpp/ChangeLog | 6 | ||||
| -rw-r--r-- | libcpp/lex.c | 6 |
4 files changed, 17 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 943a538..81e2d20 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-05-22 Uros Bizjak <ubizjak@gmail.com> + + PR target/49104 + * config/i386/cpuid.h (bit_MMXEXT): New define. + 2011-05-22 Nick Clifton <nickc@redhat.com> * config/stormy16/stormy16.c (xstormy16_init_builtins): prevent @@ -7,8 +12,7 @@ 2011-05-22 Ira Rosen <ira.rosen@linaro.org> PR tree-optimization/49087 - * tree-vect-loop.c (vect_is_slp_reduction): Fail if - LHS has no uses. + * tree-vect-loop.c (vect_is_slp_reduction): Fail if LHS has no uses. 2011-05-21 Jason Merrill <jason@redhat.com> @@ -45,8 +49,7 @@ * opt-read.awk: New. Split out of optc-gen.awk and opth-gen.awk. * optc-gen.awk: Move common code to opt-read.awk. * opth-gen.awk: Likewise. - * Makefile.in (options.c, s-options-h): Update to use - opt-read.awk. + * Makefile.in (options.c, s-options-h): Update to use opt-read.awk. 2011-05-20 Nathan Froyd <froydnj@codesourcery.com> diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h index e9d0fab..3c3f47b 100644 --- a/gcc/config/i386/cpuid.h +++ b/gcc/config/i386/cpuid.h @@ -57,6 +57,7 @@ #define bit_TBM (1 << 21) /* %edx */ +#define bit_MMXEXT (1 << 22) #define bit_LM (1 << 29) #define bit_3DNOWP (1 << 30) #define bit_3DNOW (1 << 31) diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index d287d12..2630138 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,9 @@ +2011-05-22 Uros Bizjak <ubizjak@gmail.com> + + PR target/49104 + * lex.c (init_vectorized_lexer): Do not set "minimum" when __3dNOW_A__ + is defined. Check bit_MMXEXT and bit_CMOV to use search_line_mmx. + 2011-04-25 Jan Kratochvil <jan.kratochvil@redhat.com> * system.h (ENUM_BITFIELD): Remove. diff --git a/libcpp/lex.c b/libcpp/lex.c index 3bf4886..bbce62c 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -294,7 +294,7 @@ static const char repl_chars[4][16] __attribute__((aligned(16))) = { /* A version of the fast scanner using MMX vectorized byte compare insns. This uses the PMOVMSKB instruction which was introduced with "MMX2", - which was packaged into SSE1; it is also present in the AMD 3dNOW-A + which was packaged into SSE1; it is also present in the AMD MMX extension. Mark the function as using "sse" so that we emit a real "emms" instruction, rather than the 3dNOW "femms" instruction. */ @@ -488,7 +488,7 @@ init_vectorized_lexer (void) minimum = 3; #elif defined(__SSE2__) minimum = 2; -#elif defined(__SSE__) || defined(__3dNOW_A__) +#elif defined(__SSE__) minimum = 1; #endif @@ -505,7 +505,7 @@ init_vectorized_lexer (void) } else if (__get_cpuid (0x80000001, &dummy, &dummy, &dummy, &edx)) { - if (minimum == 1 || edx & bit_3DNOWP) + if (minimum == 1 || (edx & (bit_MMXEXT | bit_CMOV))) impl = search_line_mmx; } |