diff options
Diffstat (limited to 'gcc/config/rs6000/vsx.md')
| -rw-r--r-- | gcc/config/rs6000/vsx.md | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md index 7d572a48412..213d53ae5d1 100644 --- a/gcc/config/rs6000/vsx.md +++ b/gcc/config/rs6000/vsx.md @@ -195,7 +195,7 @@ (UNSPEC_VSX_MSUB 511) (UNSPEC_VSX_NMADD 512) (UNSPEC_VSX_NMSUB 513) - (UNSPEC_VSX_RSQRTE 514) + ;; 514 deleted (UNSPEC_VSX_TDIV 515) (UNSPEC_VSX_TSQRT 516) (UNSPEC_VSX_XXPERMDI 517) @@ -446,10 +446,10 @@ [(set_attr "type" "<VStype_sqrt>") (set_attr "fp_type" "<VSfptype_sqrt>")]) -(define_insn "vsx_rsqrte<mode>2" +(define_insn "*vsx_rsqrte<mode>2" [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] - UNSPEC_VSX_RSQRTE))] + UNSPEC_RSQRT))] "VECTOR_UNIT_VSX_P (<MODE>mode)" "x<VSv>rsqrte<VSs> %x0,%x1" [(set_attr "type" "<VStype_simple>") @@ -862,6 +862,20 @@ [(set_attr "type" "<VStype_simple>") (set_attr "fp_type" "<VSfptype_simple>")]) +;; Special version of copysign for single precision that knows internally +;; scalar single values are kept as double +(define_insn "vsx_copysignsf3" + [(set (match_operand:SF 0 "vsx_register_operand" "=f") + (if_then_else:SF + (ge:SF (match_operand:SF 2 "vsx_register_operand" "f") + (match_operand:SF 3 "zero_constant" "j")) + (abs:SF (match_operand:SF 1 "vsx_register_operand" "f")) + (neg:SF (abs:SF (match_dup 1)))))] + "VECTOR_UNIT_VSX_P (DFmode)" + "xscpsgndp %x0,%x2,%x1" + [(set_attr "type" "fp") + (set_attr "fp_type" "fp_addsub_d")]) + ;; For the conversions, limit the register class for the integer value to be ;; the fprs because we don't want to add the altivec registers to movdi/movsi. ;; For the unsigned tests, there isn't a generic double -> unsigned conversion |