toolchain/gcc/4.3.2: use what really got committed upstream for PR39076

Thanks to Sven Neumann for noticing.
This commit is contained in:
Peter Korsgaard 2009-02-05 14:13:43 +00:00
parent a54e0dd97f
commit 2f72570992
2 changed files with 11 additions and 31 deletions

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@ -1,31 +0,0 @@
ChangeLog (regrename)
gcc/
* regrename.c: Unshare RTX earlier in build_def_use to avoid
corruption of dup_loc.
Index: gcc/regrename.c
===================================================================
--- a/gcc/regrename.c (revision 197947)
+++ b/gcc/regrename.c (working copy)
@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
recog_data.operand_type[i] = OP_INOUT;
}
+ /* Unshare dup_loc RTL */
+ for (i = 0; i < recog_data.n_dups; i++)
+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
/* Step 1: Close chains for which we have overlapping reads. */
for (i = 0; i < n_ops; i++)
scan_rtx (insn, recog_data.operand_loc[i],
@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
OP_IN, 0);
for (i = 0; i < recog_data.n_dups; i++)
- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+ *recog_data.dup_loc[i] = old_dups[i];
for (i = 0; i < n_ops; i++)
*recog_data.operand_loc[i] = old_operands[i];
if (recog_data.n_dups)

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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/regrename.c 2007-09-09 04:23:47.000000000 +0200
+++ gcc-4.3.2/gcc/regrename.c 2009-02-05 10:23:59.000000000 +0100
@@ -813,7 +813,7 @@
OP_IN, 0);
for (i = 0; i < recog_data.n_dups; i++)
- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+ *recog_data.dup_loc[i] = old_dups[i];
for (i = 0; i < n_ops; i++)
*recog_data.operand_loc[i] = old_operands[i];
if (recog_data.n_dups)