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| author | Yao Qi <yao@codesourcery.com> | 2010-08-18 12:33:43 +0000 |
|---|---|---|
| committer | Yao Qi <qiyao@gcc.gnu.org> | 2010-08-18 12:33:43 +0000 |
| commit | 8019fcfb557001db4ef756511b6ff49f21392724 (patch) | |
| tree | ac089ea9b53f1acf174025fc054bf01f2921e86e /gcc | |
| parent | 38e3c1e18ef02280cfbb384b3a6375f7dd789519 (diff) | |
| download | gcc-8019fcfb557001db4ef756511b6ff49f21392724.zip gcc-8019fcfb557001db4ef756511b6ff49f21392724.tar.gz gcc-8019fcfb557001db4ef756511b6ff49f21392724.tar.bz2 | |
re PR target/45094 ([arm] wrong instructions for dword move in some cases)
gcc/
PR target/45094
* config/arm/arm.c (output_move_double): Fix typo generating
instructions ('ldr'->'str').
gcc/testsuite/
PR target/45094
* gcc.target/arm/pr45094.c: New test.
From-SVN: r163338
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/pr45094.c | 27 |
4 files changed, 42 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c16adad..124b3cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-08-18 Yao Qi <yao@codesourcery.com> + + PR target/45094 + * config/arm/arm.c (output_move_double): Fix typo generating + instructions ('ldr'->'str'). + 2010-08-18 Maxim Kuvyrkov <maxim@codesourcery.com> PR rtl-optimization/42575 diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 3dd73e8..f6148a7 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -12944,13 +12944,13 @@ output_move_double (rtx *operands) { if (GET_CODE (XEXP (operands[0], 0)) == PRE_MODIFY) { - output_asm_insn ("ldr%?\t%0, [%1, %2]!", otherops); - output_asm_insn ("ldr%?\t%H0, [%1, #4]", otherops); + output_asm_insn ("str%?\t%0, [%1, %2]!", otherops); + output_asm_insn ("str%?\t%H0, [%1, #4]", otherops); } else { - output_asm_insn ("ldr%?\t%H0, [%1, #4]", otherops); - output_asm_insn ("ldr%?\t%0, [%1], %2", otherops); + output_asm_insn ("str%?\t%H0, [%1, #4]", otherops); + output_asm_insn ("str%?\t%0, [%1], %2", otherops); } } else if (GET_CODE (XEXP (operands[0], 0)) == PRE_MODIFY) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7930183..2e2912e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-08-18 Yao Qi <yao@codesourcery.com> + + PR target/45094 + * gcc.target/arm/pr45094.c: New test. + 2010-08-18 Maxim Kuvyrkov <maxim@codesourcery.com> * gcc.target/arm/mla-1.c: Use thumb-friendly architecture. diff --git a/gcc/testsuite/gcc.target/arm/pr45094.c b/gcc/testsuite/gcc.target/arm/pr45094.c new file mode 100644 index 0000000..05f16d8 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr45094.c @@ -0,0 +1,27 @@ +/* { dg-do run } */ +/* { dg-require-effective-target arm_neon_hw } */ +/* { dg-options "-O2 -mcpu=cortex-a8" } */ +/* { dg-add-options arm_neon } */ + +#include <stdlib.h> + +long long buffer[32]; + +void __attribute__((noinline)) f(long long *p, int n) +{ + while (--n >= 0) + { + *p = 1; + p += 32; + } +} + +int main(void) +{ + f(buffer, 1); + + if (!buffer[0]) + abort(); + + return 0; +} |