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author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-11-01 17:06:17 +0000 |
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committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-11-01 17:06:17 +0000 |
commit | 37a2c475252b26895732fefbbb0050c864ba698d (patch) | |
tree | 05efdadc4b83dabb1aaff1f0455f26e8b5dc867a /gcc/combine.c | |
parent | 0469527c52517c543890bb6ec4d82e279c390004 (diff) | |
download | gcc-37a2c475252b26895732fefbbb0050c864ba698d.zip gcc-37a2c475252b26895732fefbbb0050c864ba698d.tar.gz gcc-37a2c475252b26895732fefbbb0050c864ba698d.tar.bz2 |
revert: combine.c (can_change_dest_mode): Reject changes in REGMODE_NATURAL_SIZE.
2017-11-01 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
Revert accidental duplicate:
* combine.c (can_change_dest_mode): Reject changes in
REGMODE_NATURAL_SIZE.
From-SVN: r254316
Diffstat (limited to 'gcc/combine.c')
-rw-r--r-- | gcc/combine.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index d5b15cb..968e687 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -2478,12 +2478,6 @@ can_change_dest_mode (rtx x, int added_sets, machine_mode mode) != REGMODE_NATURAL_SIZE (GET_MODE (x))) return false; - /* Don't change between modes with different underlying register sizes, - since this could lead to invalid subregs. */ - if (REGMODE_NATURAL_SIZE (mode) - != REGMODE_NATURAL_SIZE (GET_MODE (x))) - return false; - regno = REGNO (x); /* Allow hard registers if the new mode is legal, and occupies no more registers than the old mode. */ |