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| author | Evan Cheng <evan.cheng@apple.com> | 2005-11-30 06:29:07 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gcc.gnu.org> | 2005-11-30 06:29:07 +0000 |
| commit | be7724ed748407d7edb5b2b3958c37a9745ec40a (patch) | |
| tree | 9b24fbba5892056659fbb014226d85acd35d4a09 | |
| parent | 7e04157d149444c6a44aa5a02356d2e6c370be73 (diff) | |
| download | gcc-be7724ed748407d7edb5b2b3958c37a9745ec40a.zip gcc-be7724ed748407d7edb5b2b3958c37a9745ec40a.tar.gz gcc-be7724ed748407d7edb5b2b3958c37a9745ec40a.tar.bz2 | |
xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low moves and unpack to speed up.
2005-11-29 Evan Cheng <evan.cheng@apple.com>
* config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
moves and unpack to speed up.
From-SVN: r107700
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/xmmintrin.h | 16 |
2 files changed, 14 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 89674d9..9c49626 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-11-29 Evan Cheng <evan.cheng@apple.com> + + * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low + moves and unpack to speed up. + 2005-11-29 David S. Miller <davem@sunset.davemloft.net> * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd @@ -107,7 +112,7 @@ Uros Bizjak <uros@kss-loka.si> PR middle-end/20219 - * fold-const.c (fold binary) <RDIV_EXPR>: Optimize + * fold-const.c (fold binary) <RDIV_EXPR>: Optimize sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x) when flag_unsafe_math_optimizations is set and we don't care about NaNs or Infinities. diff --git a/gcc/config/i386/xmmintrin.h b/gcc/config/i386/xmmintrin.h index b80d6b5..fb4d38c 100644 --- a/gcc/config/i386/xmmintrin.h +++ b/gcc/config/i386/xmmintrin.h @@ -1197,14 +1197,14 @@ _mm_pause (void) #define _MM_TRANSPOSE4_PS(row0, row1, row2, row3) \ do { \ __v4sf __r0 = (row0), __r1 = (row1), __r2 = (row2), __r3 = (row3); \ - __v4sf __t0 = __builtin_ia32_shufps (__r0, __r1, 0x44); \ - __v4sf __t2 = __builtin_ia32_shufps (__r0, __r1, 0xEE); \ - __v4sf __t1 = __builtin_ia32_shufps (__r2, __r3, 0x44); \ - __v4sf __t3 = __builtin_ia32_shufps (__r2, __r3, 0xEE); \ - (row0) = __builtin_ia32_shufps (__t0, __t1, 0x88); \ - (row1) = __builtin_ia32_shufps (__t0, __t1, 0xDD); \ - (row2) = __builtin_ia32_shufps (__t2, __t3, 0x88); \ - (row3) = __builtin_ia32_shufps (__t2, __t3, 0xDD); \ + __v4sf __t0 = __builtin_ia32_unpcklps (__r0, __r1); \ + __v4sf __t2 = __builtin_ia32_unpcklps (__r2, __r3); \ + __v4sf __t1 = __builtin_ia32_unpckhps (__r0, __r1); \ + __v4sf __t3 = __builtin_ia32_unpckhps (__r2, __r3); \ + (row0) = __builtin_ia32_movlhps (__t0, __t1); \ + (row1) = __builtin_ia32_movhlps (__t1, __t0); \ + (row2) = __builtin_ia32_movlhps (__t2, __t3); \ + (row3) = __builtin_ia32_movhlps (__t3, __t2); \ } while (0) /* For backward source compatibility. */ |