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authorkrebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4>2008-01-17 16:18:59 +0000
committerkrebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4>2008-01-17 16:18:59 +0000
commit74748e47c7c3af646d70012caeff51f5531d60cd (patch)
tree5121992dd80b8b1bb8673bf19c1c5051d0828766 /gcc/global.c
parenta13ff5904a508ab8c3bc31344a2f29921f3de1d1 (diff)
downloadgcc-74748e47c7c3af646d70012caeff51f5531d60cd.tar.gz
2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
* global.c (find_reg): Mark the eh regs as used if necessary. * ra-conflict.c (global_conflicts): Set no_eh_reg flag. * ra.h (struct allocno): no_eh_reg field added. Changed no_stack_reg type to bitfield. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131601 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/global.c')
-rw-r--r--gcc/global.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/global.c b/gcc/global.c
index 8be113df60a..c805f572c7f 100644
--- a/gcc/global.c
+++ b/gcc/global.c
@@ -1011,6 +1011,16 @@ find_reg (int num, HARD_REG_SET losers, int alt_regs_p, int accept_call_clobbere
IOR_HARD_REG_SET (used1, losers);
IOR_COMPL_HARD_REG_SET (used1, reg_class_contents[(int) class]);
+
+#ifdef EH_RETURN_DATA_REGNO
+ if (allocno[num].no_eh_reg)
+ {
+ unsigned int j;
+ for (j = 0; EH_RETURN_DATA_REGNO (j) != INVALID_REGNUM; j++)
+ SET_HARD_REG_BIT (used1, EH_RETURN_DATA_REGNO (j));
+ }
+#endif
+
COPY_HARD_REG_SET (used2, used1);
IOR_HARD_REG_SET (used1, allocno[num].hard_reg_conflicts);