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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-05-19 07:08:49 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-05-19 07:08:49 +0000 |
| commit | 53d1bae90176e1e1a605149d6bdfb9c455888289 (patch) | |
| tree | 3d5e0a4f3edc366a0770e5779bd3c7fddedfd8c8 /gcc/recog.c | |
| parent | 8a480dc3d0d950b6e0a1134897b0dffc26c393e4 (diff) | |
| download | gcc-53d1bae90176e1e1a605149d6bdfb9c455888289.zip gcc-53d1bae90176e1e1a605149d6bdfb9c455888289.tar.gz gcc-53d1bae90176e1e1a605149d6bdfb9c455888289.tar.bz2 | |
cfgcleanup.c (mentions_nonequal_regs): Use END_REGNO.
gcc/
* cfgcleanup.c (mentions_nonequal_regs): Use END_REGNO.
* dse.c (note_add_store): Likewise.
* ira-lives.c (mark_hard_reg_dead): Likewise.
* loop-invariant.c (mark_reg_store): Likewise.
(mark_reg_death): Likewise.
* postreload.c (reload_combine): Likewise.
(reload_combine_note_store): Likewise.
(reload_combine_note_use): Likewise.
* recog.c (peep2_reg_dead_p): Likewise.
From-SVN: r223336
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index d933364..ffbd7b5 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -3128,18 +3128,15 @@ peep2_regno_dead_p (int ofs, int regno) int peep2_reg_dead_p (int ofs, rtx reg) { - int regno, n; - gcc_assert (ofs < MAX_INSNS_PER_PEEP2 + 1); ofs = peep2_buf_position (peep2_current + ofs); gcc_assert (peep2_insn_data[ofs].insn != NULL_RTX); - regno = REGNO (reg); - n = hard_regno_nregs[regno][GET_MODE (reg)]; - while (--n >= 0) - if (REGNO_REG_SET_P (peep2_insn_data[ofs].live_before, regno + n)) + unsigned int end_regno = END_REGNO (reg); + for (unsigned int regno = REGNO (reg); regno < end_regno; ++regno) + if (REGNO_REG_SET_P (peep2_insn_data[ofs].live_before, regno)) return 0; return 1; } |