diff options
Diffstat (limited to 'gcc-4.8/gcc/config/i386/sse.md')
| -rw-r--r-- | gcc-4.8/gcc/config/i386/sse.md | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/config/i386/sse.md b/gcc-4.8/gcc/config/i386/sse.md index 8b44e1d9e..7ff8f1e43 100644 --- a/gcc-4.8/gcc/config/i386/sse.md +++ b/gcc-4.8/gcc/config/i386/sse.md @@ -10901,6 +10901,35 @@ (set_attr "prefix" "vex") (set_attr "mode" "<sseinsnmode>")]) +(define_insn "*ssse3_palignr<mode>_perm" + [(set (match_operand:V_128 0 "register_operand" "=x,x") + (vec_select:V_128 + (match_operand:V_128 1 "register_operand" "0,x") + (match_parallel 2 "palignr_operand" + [(match_operand 3 "const_int_operand" "n, n")])))] + "TARGET_SSSE3" +{ + enum machine_mode imode = GET_MODE_INNER (GET_MODE (operands[0])); + operands[2] = GEN_INT (INTVAL (operands[3]) * GET_MODE_SIZE (imode)); + + switch (which_alternative) + { + case 0: + return "palignr\t{%2, %1, %0|%0, %1, %2}"; + case 1: + return "vpalignr\t{%2, %1, %1, %0|%0, %1, %1, %2}"; + default: + gcc_unreachable (); + } +} + [(set_attr "isa" "noavx,avx") + (set_attr "type" "sseishft") + (set_attr "atom_unit" "sishuf") + (set_attr "prefix_data16" "1,*") + (set_attr "prefix_extra" "1") + (set_attr "length_immediate" "1") + (set_attr "prefix" "orig,vex")]) + (define_expand "avx_vinsertf128<mode>" [(match_operand:V_256 0 "register_operand") (match_operand:V_256 1 "register_operand") |