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| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-21 09:31:52 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-21 09:31:52 +0000 |
| commit | 9e2820ab23ece243d5250f1ce98b59bbff2e44e4 (patch) | |
| tree | f3f069c571a8f10f954b123113318bd57b393d38 /gcc/configure.ac | |
| parent | 7392f17cf5c7bb675a48fc12985a79c7d740792d (diff) | |
| download | gcc-9e2820ab23ece243d5250f1ce98b59bbff2e44e4.tar.gz | |
PR bootstrap/56656
* configure.ac (HAVE_AS_IX86_INTERUNIT_MOVQ): New test.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/i386.md (*movdf_internal): Use
HAVE_AS_IX86_INTERUNIT_MOVQ to handle broken assemblers that require
movd instead of movq mnemonic for interunit moves.
(*movdi_internal): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196861 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index f783b61510d..53cea1d5f9e 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -3723,6 +3723,14 @@ foo: nop [AC_DEFINE(HAVE_AS_IX86_SAHF, 1, [Define if your assembler supports the sahf mnemonic in 64bit mode.])]) + gcc_GAS_CHECK_FEATURE([interunit movq mnemonic], + gcc_cv_as_ix86_interunit_movq,,, + [.code64 + movq %mm0, %rax + movq %rax, %xmm0],, + [AC_DEFINE(HAVE_AS_IX86_INTERUNIT_MOVQ, 1, + [Define if your assembler supports interunit movq mnemonic.])]) + gcc_GAS_CHECK_FEATURE([hle prefixes], gcc_cv_as_ix86_hle,,, [lock xacquire cmpxchg %esi, (%ecx)],, |