diff options
| author | Tamar Christina <tamar.christina@arm.com> | 2018-07-05 10:37:36 +0000 |
|---|---|---|
| committer | Tamar Christina <tnfchris@gcc.gnu.org> | 2018-07-05 10:37:36 +0000 |
| commit | 6fc2658638727f52780fe35c1dfabca402fd9481 (patch) | |
| tree | 5800f22916975f54073e096d52c35e067e4e9154 | |
| parent | d6e5a37a0402177713e9496f0d852e2e1147437f (diff) | |
| download | gcc-6fc2658638727f52780fe35c1dfabca402fd9481.tar.gz | |
Fix can_change_mode_class for big-endian on Arm
gcc/
PR target/84711
* config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE
instead of GET_MODE_SIZE when comparing Units.
gcc/testsuite/
PR target/84711
* gcc.target/arm/big-endian-subreg.c: New.
From-SVN: r262436
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/big-endian-subreg.c | 13 |
4 files changed, 26 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 046ca6e4d0f..3f6d410bcad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,12 @@ 2018-07-05 Tamar Christina <tamar.christina@arm.com> PR target/84711 + * config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE + instead of GET_MODE_SIZE when comparing Units. + +2018-07-05 Tamar Christina <tamar.christina@arm.com> + + PR target/84711 * rtlanal.c (set_noop_p): Constrain on mode change, include hard-reg-set.h diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 8d5897c8f0f..ec3abbcba9f 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -31512,8 +31512,8 @@ arm_can_change_mode_class (machine_mode from, machine_mode to, { if (TARGET_BIG_END && !(GET_MODE_SIZE (from) == 16 && GET_MODE_SIZE (to) == 8) - && (GET_MODE_SIZE (from) > UNITS_PER_WORD - || GET_MODE_SIZE (to) > UNITS_PER_WORD) + && (GET_MODE_UNIT_SIZE (from) > UNITS_PER_WORD + || GET_MODE_UNIT_SIZE (to) > UNITS_PER_WORD) && reg_classes_intersect_p (VFP_REGS, rclass)) return false; return true; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cea62ecf5d2..c5acb695888 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,6 +1,11 @@ 2018-07-05 Tamar Christina <tamar.christina@arm.com> PR target/84711 + * gcc.target/arm/big-endian-subreg.c: New. + +2018-07-05 Tamar Christina <tamar.christina@arm.com> + + PR target/84711 * gcc.dg/vect/pr84711.c: New. 2018-07-05 Tamar Christina <tamar.christina@arm.com> diff --git a/gcc/testsuite/gcc.target/arm/big-endian-subreg.c b/gcc/testsuite/gcc.target/arm/big-endian-subreg.c new file mode 100644 index 00000000000..4b1ab122f34 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/big-endian-subreg.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_neon_ok } */ +/* { dg-require-effective-target arm_hf_eabi } */ +/* { dg-add-options arm_neon } */ +/* { dg-additional-options "-mfp16-format=ieee -mfloat-abi=hard" } */ + +typedef __fp16 v4f16 + __attribute__ ((vector_size (8))); + +v4f16 fn1 (v4f16 p) +{ + return p; +} |