[PATCH, i386]: Fix PR target/35553, -fkeep-inline-functions and -O errors our in SSE headers

["Uros Bizjak" <ubizjak at gmail dot com>]

Hello!

It turns out that we need to switch definitions of SSE intrinsics with
immediate arguments from inline functions to macros for
-fkeep-inline-functions. Otherwise we error out with
"emmintrin.h:1382: error: mask must be an immediate" and similar
errors involving immediates.

Fixed by introducing __SSE_USE_INLINED_FUNC__ builtin define that is
defined when appropriate and by using this define through SSE headers.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35553
	* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
	__SSE_USE_INLINED_FUNC__ when using -flag-keep-inline-functions
	together with optimization.
	* config/i386/xmmintrin.h: Use __SSE_USE_INLINED_FUNC__ instead of
	__OPTIMIZE__ to choose between inlined intrinsic SSE function having
	immediate arguments and its equivalent macro definition.
	* config/i386/bmintrin.h: Ditto.
	* config/i386/smmintrin.h: Ditto.
	* config/i386/tmmintrin.h: Ditto.
	* config/i386/mmintrin-common.h: Ditto.
	* config/i386/ammintrin.h: Ditto.
	* config/i386/emmintrin.h: Ditto.

testsuite/ChangeLog:

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35553
	* g++.dg/other/i386-3.C: New test.

Tested on i686-pc-linux-gnu. Patch is committed to SVN mainline, will
commit to 4.3 branch when tests finish.

Uros.

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