projects
/
gcc.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
818b11b
)
(copy_rtx_if_shared): A CONST can be shared if it contains a
author
Richard Kenner
<kenner@gcc.gnu.org>
Sun, 27 Dec 1992 11:52:59 +0000
(06:52 -0500)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Sun, 27 Dec 1992 11:52:59 +0000
(06:52 -0500)
SYBOL_REF.
From-SVN: r2923
gcc/emit-rtl.c
patch
|
blob
|
history
diff --git
a/gcc/emit-rtl.c
b/gcc/emit-rtl.c
index 1335308ce87baeca9bb5710482670e8ae497e09f..8291da1b6e4f82265f09b8431ab59b2701a6ba19 100644
(file)
--- a/
gcc/emit-rtl.c
+++ b/
gcc/emit-rtl.c
@@
-1267,6
+1267,15
@@
copy_rtx_if_shared (orig)
/* SCRATCH must be shared because they represent distinct values. */
return x;
+ case CONST:
+ /* CONST can be shared if it contains a SYMBOL_REF. If it contains
+ a LABEL_REF, it isn't sharable. */
+ if (GET_CODE (XEXP (x, 0)) == PLUS
+ && GET_CODE (XEXP (XEXP (x, 0), 0)) == SYMBOL_REF
+ && GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT)
+ return x;
+ break;
+
case INSN:
case JUMP_INSN:
case CALL_INSN: