Uros reported that my latest patch to fix PR63620 does not fix actually
the problem and H.J. reported that the patch resulted in 2 java test
failures (PR63799).
The following patch fixes PR63620 and PR63799.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63620
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63799
The patch was successfully tested and bootstrapped on x86/x86-64.
Committed as rev. 217320.
2014-11-10 Vladimir Makarov <vmaka...@redhat.com>
PR rtl-optimization/63620
PR rtl-optimization/63799
* lra-lives.c (process_bb_lives): Do not delete EH_REGION, trapped
and setting PIC pseudo insns.
(lra_create_live_ranges): Fix the typo.
Index: lra-lives.c
===================================================================
--- lra-lives.c (revision 217288)
+++ lra-lives.c (working copy)
@@ -704,7 +704,13 @@ process_bb_lives (basic_block bb, int &c
set = single_set (curr_insn);
if (set != NULL_RTX
- && REG_P (SET_DEST (set)) && REGNO (SET_DEST (set)) >=
FIRST_PSEUDO_REGISTER)
+ && REG_P (SET_DEST (set)) && REGNO (SET_DEST (set)) >=
FIRST_PSEUDO_REGISTER
+ && find_reg_note (curr_insn, REG_EH_REGION, NULL_RTX) == NULL_RTX
+ && ! may_trap_p (PATTERN (curr_insn))
+ /* Don't do premature remove of pic offset pseudo as we
+ can start to use it after some reload generation. */
+ && (pic_offset_table_rtx == NULL_RTX
+ || pic_offset_table_rtx != SET_DEST (set)))
{
bool dead_insn_p = true;
@@ -1273,7 +1279,8 @@ lra_create_live_ranges (bool all_p)
df_get_postorder (DF_BACKWARD), df_get_n_blocks (DF_BACKWARD));
if (lra_dump_file != NULL)
{
- fprintf (lra_dump_file, "Global pseudo live data have be updated:\n");
+ fprintf (lra_dump_file,
+ "Global pseudo live data have been updated:\n");
basic_block bb;
FOR_EACH_BB_FN (bb, cfun)
{
