NetCube-Systems-Austria/kumquat-buildroot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix unroll bug for ARM toolchain

Browse Source
This commit is contained in:
Ulf Samuelsson 2009-01-23 23:03:25 +00:00
parent 2b192f0815
commit ecdd71417c
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
toolchain/gcc/4.3.2/306-arm-funroll-loops.patch.arm Normal file
View File

@ -0,0 +1,31 @@
ChangeLog (regrename)
gcc/
* regrename.c: Unshare RTX earlier in build_def_use to avoid
corruption of dup_loc.
Index: gcc/regrename.c
===================================================================
--- gcc/regrename.c (revision 197947)
+++ 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)