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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-11-01 17:06:17 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-11-01 17:06:17 +0000 |
| commit | 37a2c475252b26895732fefbbb0050c864ba698d (patch) | |
| tree | 05efdadc4b83dabb1aaff1f0455f26e8b5dc867a | |
| 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
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/combine.c | 6 |
2 files changed, 7 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cc51a72..adf8cf3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2017-11-01 Richard Sandiford <richard.sandiford@linaro.org> + + Revert accidental duplicate: + + * combine.c (can_change_dest_mode): Reject changes in + REGMODE_NATURAL_SIZE. + 2017-11-01 Segher Boessenkool <segher@kernel.crashing.org> PR rtl-optimization/64682 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. */ |