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| author | Bernd Schmidt <bernds@redhat.com> | 2016-05-03 09:35:42 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2016-05-03 09:35:42 +0000 |
| commit | f80041efb991e4326971dea550157192f912d9a4 (patch) | |
| tree | db4f856ef821d7dc564edeb431dc0da7bf076b30 /gcc/reginfo.c | |
| parent | 1cfcd39eee915a7582adc113fa6e7faac8b943e4 (diff) | |
| download | gcc-f80041efb991e4326971dea550157192f912d9a4.zip gcc-f80041efb991e4326971dea550157192f912d9a4.tar.gz gcc-f80041efb991e4326971dea550157192f912d9a4.tar.bz2 | |
Fix PR44281, bad RA with global regs.
PR rtl-optimization/44281
* hard-reg-set.h (struct target_hard_regs): New field
x_fixed_nonglobal_reg_set.
(fixed_nonglobal_reg_set): New macro.
* reginfo.c (init_reg_sets_1): Initialize it.
* ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
of fixed_reg_set.
* df-scan.c (df_insn_refs_collect): Asms may reference global regs.
testsuite/
PR rtl-optimization/44281
* gcc.target/i386/pr44281.c: New test.
From-SVN: r235809
Diffstat (limited to 'gcc/reginfo.c')
| -rw-r--r-- | gcc/reginfo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/reginfo.c b/gcc/reginfo.c index ccf53bf..f4dac08 100644 --- a/gcc/reginfo.c +++ b/gcc/reginfo.c @@ -449,6 +449,7 @@ init_reg_sets_1 (void) } COPY_HARD_REG_SET (call_fixed_reg_set, fixed_reg_set); + COPY_HARD_REG_SET (fixed_nonglobal_reg_set, fixed_reg_set); /* Preserve global registers if called more than once. */ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) |