AArch32: use canonical ordering for complex mul, fma and fms
authorTamar Christina <tamar.christina@arm.com>
Wed, 2 Feb 2022 10:52:17 +0000 (10:52 +0000)
committerTamar Christina <tamar.christina@arm.com>
Wed, 2 Feb 2022 10:52:17 +0000 (10:52 +0000)
After the first patch in the series this updates the optabs to expect the
canonical sequence.

gcc/ChangeLog:

PR tree-optimization/102819
PR tree-optimization/103169
* config/arm/vec-common.md (cml<fcmac1><conj_op><mode>4): Use
canonical order.

gcc/config/arm/vec-common.md

index cef358e..2718d82 100644 (file)
 ;; remainder.  Because of this, expand early.
 (define_expand "cml<fcmac1><conj_op><mode>4"
   [(set (match_operand:VF 0 "register_operand")
-       (plus:VF (match_operand:VF 1 "register_operand")
-                (unspec:VF [(match_operand:VF 2 "register_operand")
-                            (match_operand:VF 3 "register_operand")]
-                           VCMLA_OP)))]
+       (plus:VF (unspec:VF [(match_operand:VF 1 "register_operand")
+                            (match_operand:VF 2 "register_operand")]
+                           VCMLA_OP)
+                (match_operand:VF 3 "register_operand")))]
   "(TARGET_COMPLEX || (TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT
                      && ARM_HAVE_<MODE>_ARITH)) && !BYTES_BIG_ENDIAN"
 {
   rtx tmp = gen_reg_rtx (<MODE>mode);
-  emit_insn (gen_arm_vcmla<rotsplit1><mode> (tmp, operands[1],
-                                            operands[3], operands[2]));
+  emit_insn (gen_arm_vcmla<rotsplit1><mode> (tmp, operands[3],
+                                            operands[2], operands[1]));
   emit_insn (gen_arm_vcmla<rotsplit2><mode> (operands[0], tmp,
-                                            operands[3], operands[2]));
+                                            operands[2], operands[1]));
   DONE;
 })