diff options
| -rw-r--r-- | gcc/config/rs6000/altivec.md | 11 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/sldoi_to_mov.c | 15 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md index 950b178..d7e93f2 100644 --- a/gcc/config/rs6000/altivec.md +++ b/gcc/config/rs6000/altivec.md @@ -383,6 +383,17 @@ } }) +(define_insn_and_split "sldoi_to_mov<mode>" + [(set (match_operand:VM 0 "altivec_register_operand") + (unspec:VM [(match_operand:VM 1 "easy_vector_constant") + (match_dup 1) + (match_operand:QI 2 "u5bit_cint_operand")] + UNSPEC_VSLDOI))] + "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode) && can_create_pseudo_p ()" + "#" + "&& 1" + [(set (match_dup 0) (match_dup 1))]) + (define_insn "get_vrsave_internal" [(set (match_operand:SI 0 "register_operand" "=r") (unspec:SI [(reg:SI VRSAVE_REGNO)] UNSPEC_GET_VRSAVE))] diff --git a/gcc/testsuite/gcc.target/powerpc/sldoi_to_mov.c b/gcc/testsuite/gcc.target/powerpc/sldoi_to_mov.c new file mode 100644 index 0000000..2053243 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/sldoi_to_mov.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +#include <altivec.h> +vector signed int foo1 (vector signed int a) { + vector signed int b = {0}; + return vec_sum2s(a, b); +} + +vector signed int foo2 (vector signed int a) { + vector signed int b = {0}; + return vec_sld(b, b, 4); +} + +/* { dg-final { scan-assembler-times {\mvsldoi\M} 1 {target le} } } */ |