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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2019-09-07 04:38:58 +0000 |
|---|---|---|
| committer | Bernd Edlinger <edlinger@gcc.gnu.org> | 2019-09-07 04:38:58 +0000 |
| commit | d405dc23021fee4b6e1cd30650e0168b29918f61 (patch) | |
| tree | f279cf44e5b7520e26216d1c2eb4343648f37b26 /gcc | |
| parent | 739748850246fb630bb76412bf288b5365d7b58c (diff) | |
| download | gcc-d405dc23021fee4b6e1cd30650e0168b29918f61.zip gcc-d405dc23021fee4b6e1cd30650e0168b29918f61.tar.gz gcc-d405dc23021fee4b6e1cd30650e0168b29918f61.tar.bz2 | |
arm.c (arm_block_set_aligned_non_vect): Use gen_unaligned_storedi for 4-byte aligned addresses.
2019-09-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
* config/arm/arm.c (arm_block_set_aligned_non_vect): Use
gen_unaligned_storedi for 4-byte aligned addresses.
testsuite:
2019-09-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
* gcc.target/arm/pr91684.c: New test.
From-SVN: r275483
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/pr91684.c | 15 |
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 46c1b50..c6925e2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-09-07 Bernd Edlinger <bernd.edlinger@hotmail.de> + + * config/arm/arm.c (arm_block_set_aligned_non_vect): Use + gen_unaligned_storedi for 4-byte aligned addresses. + 2019-09-06 Jim Wilson <jimw@sifive.com> * config/riscv/riscv.c (riscv_option_override): Revert 2019-08-30 diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index eb8bf13..8576431 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -30352,7 +30352,10 @@ arm_block_set_aligned_non_vect (rtx dstbase, { addr = plus_constant (Pmode, dst, i); mem = adjust_automodify_address (dstbase, DImode, addr, i); - emit_move_insn (mem, reg); + if (MEM_ALIGN (mem) >= 2 * BITS_PER_WORD) + emit_move_insn (mem, reg); + else + emit_insn (gen_unaligned_storedi (mem, reg)); } } else diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c910555..c2e23be 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2019-09-07 Bernd Edlinger <bernd.edlinger@hotmail.de> + + * gcc.target/arm/pr91684.c: New test. + 2019-09-06 Ian Lance Taylor <iant@golang.org> * go.test/test/fixedbugs/bug369.go: Update to match libgo update diff --git a/gcc/testsuite/gcc.target/arm/pr91684.c b/gcc/testsuite/gcc.target/arm/pr91684.c new file mode 100644 index 0000000..619c30f --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr91684.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_ldrd_strd_ok } */ +/* { dg-options "-O3" } */ + +typedef struct { int a, b, c; } S; + +void g (S *s); +void bug1 (void) +{ + S s; + __builtin_memset (&s, 0, sizeof (S)); + g (&s); +} + +/* { dg-final { scan-assembler-times "strd" 1 } } */ |