PR target/82196 correct choice of avx/sse stubs for -mcall-ms2sysv-xlogues

PR target/82196 correct choice of avx/sse stubs for -mcall-ms2sysv-xlogues

gcc:
	config/i386/i386.c: (xlogue_layout::STUB_NAME_MAX_LEN): Increase to 20
	bytes.
	(xlogue_layout::s_stub_names): Add an additional size-2 diminsion.
	(xlogue_layout::get_stub_name): Modify to select the appropairate sse
	or avx version of the stub.

gcc/testsuite:
	gcc.target/i386/pr82196-1.c: New test.
	gcc.target/i386/pr82196-2.c: Likewise.

libgcc:
	config/i386/i386-asm.h (PASTE2): New macro.
	(ASMNAME): Modify to use PASTE2.
	(MS2SYSV_STUB_PREFIX): New macro for isa prefix.
	(MS2SYSV_STUB_BEGIN, MS2SYSV_STUB_END): New macros for stub headers.
	config/i386/resms64.S: Rename to a header file, use MS2SYSV_STUB_BEGIN
	instead of HIDDEN_FUNC and MS2SYSV_STUB_END instead of FUNC_END.
	config/i386/resms64f.S: Likewise.
	config/i386/resms64fx.S: Likewise.
	config/i386/resms64x.S: Likewise.
	config/i386/savms64.S: Likewise.
	config/i386/savms64f.S: Likewise.
	config/i386/avx_resms64.S: New file that only defines a macro and
	includes it's corresponding header file.
	config/i386/avx_resms64f.S: Likewise.
	config/i386/avx_resms64fx.S: Likewise.
	config/i386/avx_resms64x.S: Likewise.
	config/i386/avx_savms64.S: Likewise.
	config/i386/avx_savms64f.S: Likewise.
	config/i386/sse_resms64.S: Likewise.
	config/i386/sse_resms64f.S: Likewise.
	config/i386/sse_resms64fx.S: Likewise.
	config/i386/sse_resms64x.S: Likewise.
	config/i386/sse_savms64.S: Likewise.
	config/i386/sse_savms64f.S: Likewise.
	config/i386/t-msabi: Modified to add avx and sse versions of stubs.

From-SVN: r252896