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| author | Thomas Schwinge <tschwinge@baylibre.com> | 2024-06-25 10:55:41 +0200 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@baylibre.com> | 2024-06-25 11:41:50 +0200 |
| commit | 70480055636c2ca79761cb4440e930daa16bb7aa (patch) | |
| tree | 5e93d3594453c31fcbf5bdd9487ce84f2865c94d /gcc | |
| parent | b694bf417cdd7d0a4d78e9927bab6bc202b7df6c (diff) | |
| download | gcc-70480055636c2ca79761cb4440e930daa16bb7aa.zip gcc-70480055636c2ca79761cb4440e930daa16bb7aa.tar.gz gcc-70480055636c2ca79761cb4440e930daa16bb7aa.tar.bz2 | |
rs6000: Properly default-disable late-combine passes [PR106594, PR115622, PR115633]
..., so that it also works for '__attribute__ ((optimize("[...]")))' etc.
PR target/106594
PR target/115622
PR target/115633
gcc/
* config/rs6000/rs6000.cc (rs6000_option_override_internal): Move
default-disable of late-combine passes from here...
(rs6000_override_options_after_change): ... to here.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.cc | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc index cd14e5a..71fe312 100644 --- a/gcc/config/rs6000/rs6000.cc +++ b/gcc/config/rs6000/rs6000.cc @@ -3434,6 +3434,14 @@ rs6000_override_options_after_change (void) /* If we are inserting ROP-protect instructions, disable shrink wrap. */ if (rs6000_rop_protect) flag_shrink_wrap = 0; + + /* One of the late-combine passes runs after register allocation + and can match define_insn_and_splits that were previously used + only before register allocation. Some of those define_insn_and_splits + use gen_reg_rtx unconditionally. Disable late-combine by default + until the define_insn_and_splits are fixed. */ + if (!OPTION_SET_P (flag_late_combine_instructions)) + flag_late_combine_instructions = 0; } #ifdef TARGET_USES_LINUX64_OPT @@ -4771,14 +4779,6 @@ rs6000_option_override_internal (bool global_init_p) targetm.expand_builtin_va_start = NULL; } - /* One of the late-combine passes runs after register allocation - and can match define_insn_and_splits that were previously used - only before register allocation. Some of those define_insn_and_splits - use gen_reg_rtx unconditionally. Disable late-combine by default - until the define_insn_and_splits are fixed. */ - if (!OPTION_SET_P (flag_late_combine_instructions)) - flag_late_combine_instructions = 0; - rs6000_override_options_after_change (); /* If not explicitly specified via option, decide whether to generate indexed |