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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/dse.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/dse.c')
| -rw-r--r-- | gcc/dse.c | 12 |
1 files changed, 5 insertions, 7 deletions
@@ -855,7 +855,6 @@ note_add_store (rtx loc, const_rtx expr ATTRIBUTE_UNUSED, void *data) { rtx_insn *insn; note_add_store_info *info = (note_add_store_info *) data; - int r, n; if (!REG_P (loc)) return; @@ -874,15 +873,14 @@ note_add_store (rtx loc, const_rtx expr ATTRIBUTE_UNUSED, void *data) available, fail now. */ if (!info->fixed_regs_live) { - info->failure = true; + info->failure = true; return; } /* Now check if this is a live fixed register. */ - r = REGNO (loc); - n = hard_regno_nregs[r][GET_MODE (loc)]; - while (--n >= 0) - if (REGNO_REG_SET_P (info->fixed_regs_live, r+n)) - info->failure = true; + unsigned int end_regno = END_REGNO (loc); + for (unsigned int regno = REGNO (loc); regno < end_regno; ++regno) + if (REGNO_REG_SET_P (info->fixed_regs_live, regno)) + info->failure = true; } /* Callback for for_each_inc_dec that emits an INSN that sets DEST to |