Module Name: src
Committed By: rin
Date: Sat Oct 7 12:10:02 UTC 2023
Modified Files:
src/external/gpl3/gcc.old/dist/gcc/config/vax: vax.md
Log Message:
gcc.old: vax: PR port-vax/57646 patch provided by Kalvis Duckmanton [18/21]
use the extzv instruction pattern for logical shifts right
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 \
src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md
diff -u src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md:1.14 src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md:1.15
--- src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md:1.14 Sat Oct 7 12:01:43 2023
+++ src/external/gpl3/gcc.old/dist/gcc/config/vax/vax.md Sat Oct 7 12:10:02 2023
@@ -733,7 +733,7 @@
(minus:QI (const_int 32)
(match_dup 4)))
(set (match_operand:SI 0 "nonimmediate_operand" "=g")
- (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
+ (zero_extract:SI (match_operand:SI 1 "general_operand" "g")
(match_dup 3)
(match_operand:SI 2 "register_operand" "g")))]
""
@@ -741,6 +741,10 @@
{
operands[3] = gen_reg_rtx (QImode);
operands[4] = gen_lowpart (QImode, operands[2]);
+ operands[4] = gen_rtx_MINUS (QImode, GEN_INT (32), operands[4]);
+ emit_move_insn (operands[3], operands[4]);
+ emit_insn (gen_extzv (operands[0], operands[1], operands[3], operands[2]));
+ DONE;
}")
;; Rotate right on the VAX works by negating the shift count.
