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* combine.c (try_combine): Remove redundant test.

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From-SVN: r37750
This commit is contained in:
Zack Weinberg 2000-11-26 01:58:42 +00:00 • committed by Zack Weinberg
parent 213858c013
commit 1786009e06
2 changed files with 17 additions and 16 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
* combine.c (try_combine): Remove redundant test.
2000-11-25 Richard Henderson <rth@redhat.com>
* c-common.h (DECL_C_HARD_REGISTER): New.

29
gcc/combine.c
View file

@ -2552,22 +2552,19 @@ try_combine (i3, i2, i1, new_direct_jump_p)
if (i3_subst_into_i2 && GET_CODE (PATTERN (i2)) == PARALLEL)
{
if (GET_CODE (PATTERN (i2)) == PARALLEL)
{
for (i = 0; i < XVECLEN (PATTERN (i2), 0); i++)
if (GET_CODE (SET_DEST (XVECEXP (PATTERN (i2), 0, i))) == REG
&& SET_DEST (XVECEXP (PATTERN (i2), 0, i)) != i2dest
&& ! find_reg_note (i2, REG_UNUSED,
SET_DEST (XVECEXP (PATTERN (i2), 0, i))))
for (temp = NEXT_INSN (i2);
temp && (this_basic_block == n_basic_blocks - 1
|| BLOCK_HEAD (this_basic_block) != temp);
temp = NEXT_INSN (temp))
if (temp != i3 && INSN_P (temp))
for (link = LOG_LINKS (temp); link; link = XEXP (link, 1))
if (XEXP (link, 0) == i2)
XEXP (link, 0) = i3;
}
for (i = 0; i < XVECLEN (PATTERN (i2), 0); i++)
if (GET_CODE (SET_DEST (XVECEXP (PATTERN (i2), 0, i))) == REG
&& SET_DEST (XVECEXP (PATTERN (i2), 0, i)) != i2dest
&& ! find_reg_note (i2, REG_UNUSED,
SET_DEST (XVECEXP (PATTERN (i2), 0, i))))
for (temp = NEXT_INSN (i2);
temp && (this_basic_block == n_basic_blocks - 1
|| BLOCK_HEAD (this_basic_block) != temp);
temp = NEXT_INSN (temp))
if (temp != i3 && INSN_P (temp))
for (link = LOG_LINKS (temp); link; link = XEXP (link, 1))
if (XEXP (link, 0) == i2)
XEXP (link, 0) = i3;
if (i3notes)
{