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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2015-05-21 12:36:35 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2015-05-21 12:36:35 +0000 |
| commit | 0daff5e0c87a619093f4718c0ec212b1b461bfde (patch) | |
| tree | 9db69ec76547981ea3fafc084b84f03d0d02ad29 | |
| parent | cad97339449568ae711fb6430d56372e0974958d (diff) | |
| download | gcc-0daff5e0c87a619093f4718c0ec212b1b461bfde.zip gcc-0daff5e0c87a619093f4718c0ec212b1b461bfde.tar.gz gcc-0daff5e0c87a619093f4718c0ec212b1b461bfde.tar.bz2 | |
re PR target/54236 ([SH] Improve addc and subc insn utilization)
gcc/
PR target/54236
* config/sh/sh.md (*round_int_even): Reject pattern if operands[0] and
operands[1] are the same.
gcc/testsuite/
PR target/54236
* gcc.target/sh/pr54236-2.c: Fix typo in comment.
From-SVN: r223479
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/sh/pr54236-2.c | 2 |
4 files changed, 14 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 550d98c..9218257 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-05-21 Oleg Endo <olegendo@gcc.gnu.org> + + PR target/54236 + * config/sh/sh.md (*round_int_even): Reject pattern if operands[0] and + operands[1] are the same. + 2015-05-21 Ilya Enkovich <enkovich.gnu@gmail.com> PR middle-end/66221 diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 3b66992..2d95b9c 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -2011,7 +2011,8 @@ (and:SI (plus:SI (match_operand:SI 1 "arith_reg_operand") (const_int 1)) (const_int -2)))] - "TARGET_SH1 && !TARGET_SH2A && can_create_pseudo_p ()" + "TARGET_SH1 && !TARGET_SH2A && can_create_pseudo_p () + && !reg_overlap_mentioned_p (operands[0], operands[1])" "#" "&& 1" [(set (match_dup 0) (const_int -2)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 81f6779..2cd1577 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-05-21 Oleg Endo <olegendo@gcc.gnu.org> + + PR target/54236 + * gcc.target/sh/pr54236-2.c: Fix typo in comment. + 2015-05-21 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> PR target/65937 diff --git a/gcc/testsuite/gcc.target/sh/pr54236-2.c b/gcc/testsuite/gcc.target/sh/pr54236-2.c index b94c2c0..c72afb9 100644 --- a/gcc/testsuite/gcc.target/sh/pr54236-2.c +++ b/gcc/testsuite/gcc.target/sh/pr54236-2.c @@ -133,7 +133,7 @@ int test_016 (int a, int b, int c, int d) { // non-SH2A: 1x add #1, 1x mov #-2, 1x and - // SH2A: 1x add #1, 1x blcr #0 + // SH2A: 1x add #1, 1x bclr #0 return a + (a & 1); } |