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| author | Tamar Christina <tamar.christina@arm.com> | 2018-03-15 10:53:17 +0000 |
|---|---|---|
| committer | Tamar Christina <tnfchris@gcc.gnu.org> | 2018-03-15 10:53:17 +0000 |
| commit | 22534ea5549e970de4466fe492dacc61c2ff471f (patch) | |
| tree | 4ebbef965b3d08219363090bb43fb933a70acae2 | |
| parent | 74a9301d6128c0c7a4a8570545b9db40505c93f2 (diff) | |
| download | gcc-22534ea5549e970de4466fe492dacc61c2ff471f.zip gcc-22534ea5549e970de4466fe492dacc61c2ff471f.tar.gz gcc-22534ea5549e970de4466fe492dacc61c2ff471f.tar.bz2 | |
re PR target/84711 (AArch32 big-endian fails when taking subreg of a vector mode to a scalar mode.)
2018-03-15 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.
gcc/testsuite/
2018-03-15 Tamar Christina <tamar.christina@arm.com>
PR target/84711
* gcc.target/arm/big-endian-subreg.c: New.
From-SVN: r258554
| -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 0d6855d..7772d5d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-03-15 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. + 2018-03-15 Vladimir Mezentsev <vladimir.mezentsev@oracle.com> PR target/68256 diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 90d62e6..7036322 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -31508,8 +31508,8 @@ 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 994b8ee..4d6379d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-03-15 Tamar Christina <tamar.christina@arm.com> + + PR target/84711 + * gcc.target/arm/big-endian-subreg.c: New. + 2018-03-15 Jakub Jelinek <jakub@redhat.com> PR target/84860 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 0000000..4b1ab122 --- /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; +} |