diff options
| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-07-12 08:41:26 +0000 |
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| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-07-12 08:41:26 +0000 |
| commit | 7173826daf929b5d925bbb183f1d1e0c4f2e7be8 (patch) | |
| tree | d5fa37d59785f9f27547b58ef19a4983866c4ff8 /gcc/combine.c | |
| parent | 5ea851c7f59adf0fde5892c34d5059da38ea7dee (diff) | |
| download | gcc-7173826daf929b5d925bbb183f1d1e0c4f2e7be8.tar.gz | |
2013-07-12 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 200918 using svnmerge.py
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@200920 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index b737bc5529f..fc94c68626c 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -7326,7 +7326,8 @@ make_extraction (enum machine_mode mode, rtx inner, HOST_WIDE_INT pos, if (pos_rtx != 0 && GET_MODE_SIZE (pos_mode) > GET_MODE_SIZE (GET_MODE (pos_rtx))) { - rtx temp = gen_rtx_ZERO_EXTEND (pos_mode, pos_rtx); + rtx temp = simplify_gen_unary (ZERO_EXTEND, pos_mode, pos_rtx, + GET_MODE (pos_rtx)); /* If we know that no extraneous bits are set, and that the high bit is not set, convert extraction to cheaper one - either @@ -7340,7 +7341,8 @@ make_extraction (enum machine_mode mode, rtx inner, HOST_WIDE_INT pos, >> 1)) == 0))) { - rtx temp1 = gen_rtx_SIGN_EXTEND (pos_mode, pos_rtx); + rtx temp1 = simplify_gen_unary (SIGN_EXTEND, pos_mode, pos_rtx, + GET_MODE (pos_rtx)); /* Prefer ZERO_EXTENSION, since it gives more information to backends. */ @@ -13578,14 +13580,17 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2, rtx elim_i2, && hard_regno_nregs[regno][GET_MODE (XEXP (note, 0))] > 1) { unsigned int endregno = END_HARD_REGNO (XEXP (note, 0)); - int all_used = 1; + bool all_used = true; unsigned int i; for (i = regno; i < endregno; i++) if ((! refers_to_regno_p (i, i + 1, PATTERN (place), 0) && ! find_regno_fusage (place, USE, i)) || dead_or_set_regno_p (place, i)) - all_used = 0; + { + all_used = false; + break; + } if (! all_used) { @@ -13629,7 +13634,6 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2, rtx elim_i2, break; } } - } place = 0; |