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| author | Eric Botcazou <ebotcazou@adacore.com> | 2008-11-03 20:05:45 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2008-11-03 20:05:45 +0000 |
| commit | dffda765c064a083dc7efdd1670d10d8b8b84c1e (patch) | |
| tree | 231b6a2da7098156849b422024d22a97508a340d /gcc | |
| parent | 5b31bbabe9a1bf22ae4d6c3cd26fd876004f7ea8 (diff) | |
| download | gcc-dffda765c064a083dc7efdd1670d10d8b8b84c1e.zip gcc-dffda765c064a083dc7efdd1670d10d8b8b84c1e.tar.gz gcc-dffda765c064a083dc7efdd1670d10d8b8b84c1e.tar.bz2 | |
i386.c (classify_argument): Promote partial integer class to full integer class if...
* config/i386/i386.c (classify_argument) <ARRAY_TYPE>: Promote partial
integer class to full integer class if the offset is not word-aligned.
From-SVN: r141559
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20081103-1.c | 17 |
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index caf616a..0e826df 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-11-03 Eric Botcazou <ebotcazou@adacore.com> + + * config/i386/i386.c (classify_argument) <ARRAY_TYPE>: Promote partial + integer class to full integer class if the offset is not word-aligned. + 2008-11-03 Andrew Pinski <andrew_pinski@playstation.sony.com> PR rtl-opt/37782 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 62249bb..ed18fcc 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -4930,7 +4930,8 @@ classify_argument (enum machine_mode mode, const_tree type, /* The partial classes are now full classes. */ if (subclasses[0] == X86_64_SSESF_CLASS && bytes != 4) subclasses[0] = X86_64_SSE_CLASS; - if (subclasses[0] == X86_64_INTEGERSI_CLASS && bytes != 4) + if (subclasses[0] == X86_64_INTEGERSI_CLASS + && !((bit_offset % 64) == 0 && bytes == 4)) subclasses[0] = X86_64_INTEGER_CLASS; for (i = 0; i < words; i++) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 626145e..78e1ef6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2008-11-03 Eric Botcazou <ebotcazou@adacore.com> + * gcc.c-torture/execute/20081103-1.c: New test. + +2008-11-03 Eric Botcazou <ebotcazou@adacore.com> + * gnat.dg/array5.adb New test. 2008-11-03 Richard Guenther <rguenther@suse.de> diff --git a/gcc/testsuite/gcc.c-torture/execute/20081103-1.c b/gcc/testsuite/gcc.c-torture/execute/20081103-1.c new file mode 100644 index 0000000..c458fbc --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20081103-1.c @@ -0,0 +1,17 @@ +struct S { char c; char arr[4]; float f; }; + +char A[4] = { '1', '2', '3', '4' }; + +void foo (struct S s) +{ + if (__builtin_memcmp (s.arr, A, 4)) + __builtin_abort (); +} + +int main (void) +{ + struct S s; + __builtin_memcpy (s.arr, A, 4); + foo (s); + return 0; +} |