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| author | Kazu Hirata <kazu@codesourcery.com> | 2010-06-08 13:15:25 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2010-06-08 13:15:25 +0000 |
| commit | 29a551b3b4cf567c6aedada344cc9108975e95fa (patch) | |
| tree | cf1cf37eb12d1b7be8f9ec798c5774abb1f58b6d | |
| parent | 3bb1ed661a7dc49c4536613d430699d124641b10 (diff) | |
| download | gcc-29a551b3b4cf567c6aedada344cc9108975e95fa.zip gcc-29a551b3b4cf567c6aedada344cc9108975e95fa.tar.gz gcc-29a551b3b4cf567c6aedada344cc9108975e95fa.tar.bz2 | |
arm.c (arm_rtx_costs_1): Don't special case for Thumb-2 in the MINUS case.
* config/arm/arm.c (arm_rtx_costs_1): Don't special case for
Thumb-2 in the MINUS case.
From-SVN: r160436
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 17 |
2 files changed, 5 insertions, 17 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 46703ab..486b3cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-06-08 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c (arm_rtx_costs_1): Don't special case for + Thumb-2 in the MINUS case. + 2010-06-08 Laurynas Biveinis <laurynas.biveinis@gmail.com> * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index e44e949..7de0197 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -6377,23 +6377,6 @@ arm_rtx_costs_1 (rtx x, enum rtx_code outer, int* total, bool speed) return true; case MINUS: - if (TARGET_THUMB2) - { - if (GET_MODE_CLASS (mode) == MODE_FLOAT) - { - if (TARGET_HARD_FLOAT && (mode == SFmode || mode == DFmode)) - *total = COSTS_N_INSNS (1); - else - *total = COSTS_N_INSNS (20); - } - else - *total = COSTS_N_INSNS (ARM_NUM_REGS (mode)); - /* Thumb2 does not have RSB, so all arguments must be - registers (subtracting a constant is canonicalized as - addition of the negated constant). */ - return false; - } - if (mode == DImode) { *total = COSTS_N_INSNS (ARM_NUM_REGS (mode)); |