Currently on trunk the option -mpreferred-stack-boundary does not work
together with #pragma GCC target("sse") or __attribute__((target("sse"))).There is already a test case that detects this: gcc.target/i386/fastcall-sseregparm.c The attached patch fixes this test case under i686-pc-linux-gnu. Boot-strapped and regression-tested under i686-pc-linux-gnu. OK for trunk? Regards Bernd.
2013-11-10 Bernd Edlinger <bernd.edlin...@hotmail.de>
PR target/58964
* config/i386/i386.c (ix86_valid_target_attribute_p): Set
func_options.x_ix86_preferred_stack_boundary_arg.
patch-pr58964.diff
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