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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-05-19 07:11:37 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-05-19 07:11:37 +0000 |
| commit | 07a737f333f0d4352984664c1ab6d344f6e2c88c (patch) | |
| tree | eb76c88033453d389b51706d4861488d574dcaf2 /gcc/df-problems.c | |
| parent | 72d19505eef64d2d9c37d8aabf1fffb3267d5d0e (diff) | |
| download | gcc-07a737f333f0d4352984664c1ab6d344f6e2c88c.zip gcc-07a737f333f0d4352984664c1ab6d344f6e2c88c.tar.gz gcc-07a737f333f0d4352984664c1ab6d344f6e2c88c.tar.bz2 | |
bitmap.c (bitmap_set_range): Handle count==1 specially.
gcc/
* bitmap.c (bitmap_set_range): Handle count==1 specially.
(bitmap_clear_range): Likewise.
* cfgcleanup.c (mark_effect): Use bitmap_clear_range and
bitmap_set_range unconditionally.
* df-problems.c (df_simulate_one_insn_forwards): Likewise.
* df-scan.c (df_mark_reg): Likewise.
* haifa-sched.c (setup_ref_regs): Likewise.
* sched-rgn.c (update_live_1): Likewise.
From-SVN: r223344
Diffstat (limited to 'gcc/df-problems.c')
| -rw-r--r-- | gcc/df-problems.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/gcc/df-problems.c b/gcc/df-problems.c index aca8c74..25cfe08 100644 --- a/gcc/df-problems.c +++ b/gcc/df-problems.c @@ -3574,11 +3574,7 @@ df_simulate_one_insn_forwards (basic_block bb, rtx_insn *insn, bitmap live) case REG_UNUSED: { rtx reg = XEXP (link, 0); - int regno = REGNO (reg); - if (HARD_REGISTER_NUM_P (regno)) - bitmap_clear_range (live, regno, REG_NREGS (reg)); - else - bitmap_clear_bit (live, regno); + bitmap_clear_range (live, REGNO (reg), REG_NREGS (reg)); } break; default: |