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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2017-06-23 12:44:07 +0000 |
|---|---|---|
| committer | Bernd Edlinger <edlinger@gcc.gnu.org> | 2017-06-23 12:44:07 +0000 |
| commit | 08f424143c105ec8e610e01a4ee09d96d1eaa823 (patch) | |
| tree | 892f77d0c25f7c9466a953d82453e67a199eb7b2 /gcc/ira.c | |
| parent | 2db9b7cd422b63fe0a87218128cc0939b439859e (diff) | |
| download | gcc-08f424143c105ec8e610e01a4ee09d96d1eaa823.zip gcc-08f424143c105ec8e610e01a4ee09d96d1eaa823.tar.gz gcc-08f424143c105ec8e610e01a4ee09d96d1eaa823.tar.bz2 | |
ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
2017-06-23 Bernd Edlinger <bernd.edlinger@hotmail.de>
rtl-optimizatoin/79286
* ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
* rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
trap. PIC register plus a const unspec without offset can never trap.
From-SVN: r249588
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -3551,7 +3551,8 @@ update_equiv_regs (void) if (DF_REG_DEF_COUNT (regno) == 1 && note && !rtx_varies_p (XEXP (note, 0), 0) - && def_dominates_uses (regno)) + && (!may_trap_or_fault_p (XEXP (note, 0)) + || def_dominates_uses (regno))) { rtx note_value = XEXP (note, 0); remove_note (insn, note); |