diff options
| author | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-06-12 17:29:47 +0000 |
|---|---|---|
| committer | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-06-12 17:29:47 +0000 |
| commit | ee16bf96c031e576fc276684017f70ff53196f16 (patch) | |
| tree | c52d53e9558cca6d8b8c3880662f0c8b089d6883 /gcc/longlong.h | |
| parent | 607465f2daed15963ecaae09eb5691d3609ffcd7 (diff) | |
| download | gcc-ee16bf96c031e576fc276684017f70ff53196f16.tar.gz | |
2008-06-12 Paul Brook <paul@codesourcery.com>
gcc/
* longlong.h (__arm__): Define count_leading_zeros.
* config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
(clzsi2, clzdi2): New functions.
* config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
* config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
* config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
* config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
* config/arm/t-pe (LIB1ASMFUNCS): Ditto.
* config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
* config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
* config/arm/t-linux (LIB1ASMFUNCS): Ditto.
* config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
* config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@136718 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/longlong.h')
| -rw-r--r-- | gcc/longlong.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/longlong.h b/gcc/longlong.h index 38b4c6fb221..45a95c40eb5 100644 --- a/gcc/longlong.h +++ b/gcc/longlong.h @@ -226,6 +226,12 @@ UDItype __umulsidi3 (USItype, USItype); #define UDIV_TIME 100 #endif /* __arm__ */ +#if defined(__arm__) +/* Let gcc decide how best to implement count_leading_zeros. */ +#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) +#define COUNT_LEADING_ZEROS_0 32 +#endif + #if defined (__CRIS__) && __CRIS_arch_version >= 3 #define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) #if __CRIS_arch_version >= 8 |