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| author | Bin Cheng <bin.cheng@arm.com> | 2017-05-03 10:10:43 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2017-05-03 10:10:43 +0000 |
| commit | 0ec5af39bde53da8ce957349e3dd574c7d30a8a0 (patch) | |
| tree | acddf2ecca7d6e404de5d5606f9948f97ca11271 /gcc/rtlanal.c | |
| parent | 45d9341420accb24e2ffdd64fa47d91e86d24122 (diff) | |
| download | gcc-0ec5af39bde53da8ce957349e3dd574c7d30a8a0.zip gcc-0ec5af39bde53da8ce957349e3dd574c7d30a8a0.tar.gz gcc-0ec5af39bde53da8ce957349e3dd574c7d30a8a0.tar.bz2 | |
Revert r247509 2017-05-02 Bin Cheng <bin.cheng@arm.com>
Revert r247509
2017-05-02 Bin Cheng <bin.cheng@arm.com>
* rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
From-SVN: r247541
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index f18245f..321363f 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -4164,14 +4164,6 @@ rtx_cost (rtx x, machine_mode mode, enum rtx_code outer_code, return COSTS_N_INSNS (2 + factor); break; - case TRUNCATE: - /* If we can tie these modes, make this cheap. */ - if (MODES_TIEABLE_P (mode, GET_MODE (SUBREG_REG (x)))) - { - total = 0; - break; - } - /* FALLTHRU */ default: if (targetm.rtx_costs (x, mode, outer_code, opno, &total, speed)) return total; |