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64 lines
2.0 KiB
64 lines
2.0 KiB
#
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# Imlib/Mosfet scaling
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#
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AM_PROG_AS
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# MMX test duped from tdelibs/tdefx - it should be probably moved to admin/
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dnl -----------------------------------------------------
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dnl IA32 checks
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dnl -----------------------------------------------------
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gv_asm_defs=
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case $host_cpu in
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i*86 )
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AC_MSG_CHECKING(for assembler support for IA32 extensions)
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dnl MMX check
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AC_TRY_COMPILE(, [ __asm__("pxor %mm0, %mm0") ],
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[
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echo $ECHO_N "MMX yes$ECHO_C"
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AC_DEFINE_UNQUOTED(HAVE_X86_MMX, 1, [Define to 1 if the assembler supports MMX instructions.])
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gv_asm_defs="$gv_asm_defs -DHAVE_X86_MMX"
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], [ echo $ECHO_N "MMX no$ECHO_C" ])
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dnl SSE check
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AC_TRY_COMPILE(,[ __asm__("xorps %xmm0, %xmm0") ],
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[
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echo $ECHO_N ", SSE yes$ECHO_C"
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AC_DEFINE_UNQUOTED(HAVE_X86_SSE, 1, [Define to 1 if the assembler supports SSE instructions.])
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gv_asm_defs="$gv_asm_defs -DHAVE_X86_SSE"
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], [ echo $ECHO_N ", SSE no$ECHO_C" ])
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dnl SSE2 check
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AC_TRY_COMPILE(, [ __asm__("xorpd %xmm0, %xmm0") ],
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[
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echo $ECHO_N ", SSE2 yes$ECHO_C"
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AC_DEFINE_UNQUOTED(HAVE_X86_SSE2, 1, [Define to 1 if the assembler supports SSE2 instructions.])
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gv_asm_defs="$gv_asm_defs -DHAVE_X86_SSE2"
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], [ echo $ECHO_N ", SSE2 no$ECHO_C" ])
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dnl 3DNOW check
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AC_TRY_COMPILE(, [ __asm__("femms") ],
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[
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echo $ECHO_N ", 3DNOW yes$ECHO_C"
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AC_DEFINE_UNQUOTED(HAVE_X86_3DNOW, 1, [Define to 1 if the assembler supports 3DNOW instructions.])
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gv_asm_defs="$gv_asm_defs -DHAVE_X86_3DNOW"
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], [ echo $ECHO_N ", 3DNOW no$ECHO_C" ])
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echo
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;;
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powerpc )
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AC_MSG_CHECKING(for assembler support for AltiVec instructions)
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dnl AltiVec check
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AC_TRY_COMPILE(, [ __asm__("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0" : : "r"(-1) ) ],
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[
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echo $ECHO_N " yes$ECHO_C"
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AC_DEFINE_UNQUOTED(HAVE_PPC_ALTIVEC, 1, [Define to 1 if the assembler supports AltiVec instructions.])
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gv_asm_defs="$gv_asm_defs -DHAVE_PPC_ALTIVEC"
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], [ echo $ECHO_N ", AltiVec no$ECHO_C" ])
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echo
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;;
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esac
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GV_ASM_DEFS="$gv_asm_defs"
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AC_SUBST(GV_ASM_DEFS)
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