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* [gcc r11-9623] AArch32: use canonical ordering for complex mul, fma and fms
@ 2022-02-25 12:13 Tamar Christina
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From: Tamar Christina @ 2022-02-25 12:13 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:7d713d56ec32b8c7101066619b4852b797955e24
commit r11-9623-g7d713d56ec32b8c7101066619b4852b797955e24
Author: Tamar Christina <tamar.christina@arm.com>
Date: Fri Feb 25 12:00:46 2022 +0000
AArch32: use canonical ordering for complex mul, fma and fms
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.
Diff:
---
gcc/config/arm/vec-common.md | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/config/arm/vec-common.md b/gcc/config/arm/vec-common.md
index 0b2b3b1c9ce..9212937380f 100644
--- a/gcc/config/arm/vec-common.md
+++ b/gcc/config/arm/vec-common.md
@@ -265,18 +265,18 @@
;; 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;
})
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