MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

New pattern for ior between SImode target and zero_extended value.

Browse Source 
From-SVN: r8624
This commit is contained in:
Richard Kenner 1994-12-07 16:51:43 -05:00
parent 9e8730a444
commit 61314cb469
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
gcc/config/m68k/m68k.md
View File

@ -3194,6 +3194,25 @@
(match_dup 0)))]
""
"or%.b %1,%0")
(define_insn ""
[(set (match_operand:SI 0 "general_operand" "=o,d")
(ior:SI (zero_extend:SI (match_operand 1 "general_operand" "dn,dmn"))
(match_operand:SI 2 "general_operand" "0,0")))]
""
"*
{
int byte_mode;
CC_STATUS_INIT;
byte_mode = (GET_MODE(operands[1]) == QImode);
if (GET_CODE (operands[0]) == MEM)
operands[0] = adj_offsettable_operand (operands[0], byte_mode ? 3 : 2);
if (byte_mode)
return \"or%.b %1,%0\";
else
return \"or%.w %1,%0\";
}")
;; xor instructions