32a595222d
Made the OpenMPT / legacy OpenMPT and mpg123 libraries pre-built. Changed the OpenMPT and vgmstream plugins to import the libraries as they are now. Made mpg123 embedded and imported by the main binary, since it's now shared by two plugins. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/*
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getcpucpuflags: get cpuflags for ia32
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copyright ?-2007 by the mpg123 project - free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http:#mpg123.org
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initially written by KIMURA Takuhiro (for 3DNow!)
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extended for general use by Thomas Orgis
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*/
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#ifndef MPG123_H_GETCPUFLAGS
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#define MPG123_H_GETCPUFLAGS
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#include "config.h"
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/* standard level flags part 1 (ECX)*/
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#define FLAG_SSE3 0x00000001
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#define FLAG_SSSE3 0x00000200
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#define FLAG_AVX 0x1C000000
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/* standard level flags part 2 (EDX) */
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#define FLAG2_MMX 0x00800000
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#define FLAG2_SSE 0x02000000
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#define FLAG2_SSE2 0x04000000
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#define FLAG2_FPU 0x00000001
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/* cpuid extended level 1 (AMD) */
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#define XFLAG_MMX 0x00800000
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#define XFLAG_3DNOW 0x80000000
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#define XFLAG_3DNOWEXT 0x40000000
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/* eXtended Control Register 0 */
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#define XCR0FLAG_AVX 0x00000006
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struct cpuflags
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{
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#if defined(OPT_ARM) || defined(OPT_NEON) || defined(OPT_NEON64)
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unsigned int has_neon;
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#else
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unsigned int id;
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unsigned int std;
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unsigned int std2;
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unsigned int ext;
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unsigned int xcr0_lo;
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#endif
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};
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unsigned int getcpuflags(struct cpuflags* cf);
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#ifdef WANT_GETCPUFLAGS
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#include <string.h>
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// Wrapper needed for ignorant clang memory sanitizer that chokes
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// because it does not know the assembly code intialized the vlaues.
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static unsigned int wrap_getcpuflags(struct cpuflags* cf)
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{
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memset(cf, 0, sizeof(*cf));
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return getcpuflags(cf);
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}
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#endif
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#if ((defined OPT_X86) || (defined OPT_X86_64) || (defined OPT_NEON) || (defined OPT_NEON64)) && (defined OPT_MULTI)
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// We really evaluate the CPU flags.
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#define OPT_CPU_FLAGS
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/* checks the family */
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#define cpu_i586(s) ( ((s.id & 0xf00)>>8) == 0 || ((s.id & 0xf00)>>8) > 4 )
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/* checking some flags... */
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#define cpu_fpu(s) (FLAG2_FPU & s.std2)
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#define cpu_mmx(s) (FLAG2_MMX & s.std2 || XFLAG_MMX & s.ext)
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#define cpu_3dnow(s) (XFLAG_3DNOW & s.ext)
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#define cpu_3dnowext(s) (XFLAG_3DNOWEXT & s.ext)
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#define cpu_sse(s) (FLAG2_SSE & s.std2)
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#define cpu_sse2(s) (FLAG2_SSE2 & s.std2)
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#define cpu_sse3(s) (FLAG_SSE3 & s.std)
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#define cpu_avx(s) ((FLAG_AVX & s.std) == FLAG_AVX && (XCR0FLAG_AVX & s.xcr0_lo) == XCR0FLAG_AVX)
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#define cpu_fast_sse(s) ((((s.id & 0xf00)>>8) == 6 && FLAG_SSSE3 & s.std) /* for Intel/VIA; family 6 CPUs with SSSE3 */ || \
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(((s.id & 0xf00)>>8) == 0xf && (((s.id & 0x0ff00000)>>20) > 0 && ((s.id & 0x0ff00000)>>20) != 5))) /* for AMD; family > 0xF CPUs except Bobcat */
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#define cpu_neon(s) (s.has_neon)
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#else
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/* Faking stuff for non-multi builds. The same code for synth function choice is used.
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Just no runtime dependency of result... */
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#define cpu_flags nothing
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#define cpu_i586(s) 1
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#define cpu_fpu(s) 1
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#define cpu_mmx(s) 1
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#define cpu_3dnow(s) 1
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#define cpu_3dnowext(s) 1
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#define cpu_sse(s) 1
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#define cpu_sse2(s) 1
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#define cpu_sse3(s) 1
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#define cpu_avx(s) 1
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#define cpu_neon(s) 1
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#endif
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#endif
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