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Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index a612558..7d0d414 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -4191,6 +4191,18 @@ ix86_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) } } +/* Implement TARGET_PUSH_ARGUMENT. */ + +static bool +ix86_push_argument (unsigned int npush) +{ + /* If SSE2 is available, use vector move to put large argument onto + stack. NB: In 32-bit mode, use 8-byte vector move. */ + return ((!TARGET_SSE2 || npush < (TARGET_64BIT ? 16 : 8)) + && TARGET_PUSH_ARGS + && !ACCUMULATE_OUTGOING_ARGS); +} + /* Create the va_list data type. */ @@ -23695,6 +23707,8 @@ ix86_run_selftests (void) #define TARGET_C_EXCESS_PRECISION ix86_get_excess_precision #undef TARGET_PROMOTE_PROTOTYPES #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true +#undef TARGET_PUSH_ARGUMENT +#define TARGET_PUSH_ARGUMENT ix86_push_argument #undef TARGET_SETUP_INCOMING_VARARGS #define TARGET_SETUP_INCOMING_VARARGS ix86_setup_incoming_varargs #undef TARGET_MUST_PASS_IN_STACK |