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

gcc/ChangeLog

+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.

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.  */