diff options
| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-09-23 10:36:48 +0000 |
|---|---|---|
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-09-23 10:36:48 +0000 |
| commit | cd9a1d130360ece3a87c0730c00f5d8f5df40fb0 (patch) | |
| tree | cf382039836e2ee4baa63f570f857bb5c956f679 | |
| parent | 1b44ebe5e154eab951d72f9bad986882ac7b0128 (diff) | |
| download | gcc-cd9a1d130360ece3a87c0730c00f5d8f5df40fb0.tar.gz | |
[ARM] PR 67439: Allow matching of *arm32_movhf when -mrestrict-it is on
Backport from mainline
2015-09-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/67439
* config/arm/arm.md (*arm32_movhf): Remove !arm_restrict_it from
predicate. Set predicable_short_it attr to "no".
PR target/67439
* gcc.target/arm/pr67439_1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@228039 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/arm/arm.md | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/pr67439_1.c | 11 |
4 files changed, 31 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1969c6669fd..695a98cb536 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2015-09-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + Backport from mainline + 2015-09-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/67439 + * config/arm/arm.md (*arm32_movhf): Remove !arm_restrict_it from + predicate. Set predicable_short_it attr to "no". + 2015-09-23 Matthew Wahab <matthew.wahab@arm.com> Backport from mainline diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 7ee4971d41c..f4c9dea9e5c 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -6508,7 +6508,7 @@ (define_insn "*arm32_movhf" [(set (match_operand:HF 0 "nonimmediate_operand" "=r,m,r,r") (match_operand:HF 1 "general_operand" " m,r,r,F"))] - "TARGET_32BIT && !(TARGET_HARD_FLOAT && TARGET_FP16) && !arm_restrict_it + "TARGET_32BIT && !(TARGET_HARD_FLOAT && TARGET_FP16) && ( s_register_operand (operands[0], HFmode) || s_register_operand (operands[1], HFmode))" "* @@ -6546,7 +6546,8 @@ [(set_attr "conds" "unconditional") (set_attr "type" "load1,store1,mov_reg,multiple") (set_attr "length" "4,4,4,8") - (set_attr "predicable" "yes")] + (set_attr "predicable" "yes") + (set_attr "predicable_short_it" "no")] ) (define_expand "movsf" diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ff9ac7f12a1..1d5c88e1e5a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2015-09-23 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + Backport from mainline + 2015-09-10 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + PR target/67439 + * gcc.target/arm/pr67439_1.c: New test. + 2015-09-23 Matthew Wahab <matthew.wahab@arm.com> Backport from mainline diff --git a/gcc/testsuite/gcc.target/arm/pr67439_1.c b/gcc/testsuite/gcc.target/arm/pr67439_1.c new file mode 100644 index 00000000000..f7a6128758a --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr67439_1.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_thumb2_ok } */ +/* { dg-options "-O1 -mfp16-format=ieee -march=armv7-a -mfpu=neon -mthumb -mrestrict-it" } */ + +__fp16 h0 = -1.0; + +void +f (__fp16 *p) +{ + h0 = 1.0; +} |