https://gcc.gnu.org/g:ee8f20d61dfaa5cf2af77e49e3ad78ccd4d98b36
commit r16-3370-gee8f20d61dfaa5cf2af77e49e3ad78ccd4d98b36
Author: Takayuki 'January June' Suwa <jjsuwa_sys3...@yahoo.co.jp>
Date: Mon Aug 25 06:26:41 2025 +0900
xtensa: Simplify "zero_extend[hq]isi2" insn patterns
gcc/ChangeLog:
* config/xtensa/xtensa.md (mode_bits):
New mode attribute.
(zero_extend<mode>si2): Use the appropriate mode iterator and
attribute to unify "zero_extend[hq]isi2" to this description.
Diff:
---
gcc/config/xtensa/xtensa.md | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
index f38fe6da8e48..4a02a6efe51a 100644
--- a/gcc/config/xtensa/xtensa.md
+++ b/gcc/config/xtensa/xtensa.md
@@ -88,6 +88,7 @@
;; This mode iterator allows the HI and QI patterns to be defined from
;; the same template.
(define_mode_iterator HQI [HI QI])
+(define_mode_attr mode_bits [(HI "16") (QI "8")])
;; This mode iterator allows the SI and HI patterns to be defined from
;; the same template.
@@ -944,24 +945,13 @@
;; Zero-extend instructions.
-(define_insn "zero_extendhisi2"
+(define_insn "zero_extend<mode>si2"
[(set (match_operand:SI 0 "register_operand" "=a,a")
- (zero_extend:SI (match_operand:HI 1 "nonimmed_operand" "r,U")))]
+ (zero_extend:SI (match_operand:HQI 1 "nonimmed_operand" "r,U")))]
""
"@
- extui\t%0, %1, 0, 16
- %v1l16ui\t%0, %1"
- [(set_attr "type" "arith,load")
- (set_attr "mode" "SI")
- (set_attr "length" "3,3")])
-
-(define_insn "zero_extendqisi2"
- [(set (match_operand:SI 0 "register_operand" "=a,a")
- (zero_extend:SI (match_operand:QI 1 "nonimmed_operand" "r,U")))]
- ""
- "@
- extui\t%0, %1, 0, 8
- %v1l8ui\t%0, %1"
+ extui\t%0, %1, 0, <mode_bits>
+ %v1l<mode_bits>ui\t%0, %1"
[(set_attr "type" "arith,load")
(set_attr "mode" "SI")
(set_attr "length" "3,3")])
