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comparison src/cpu.c @ 34:8b5e0974fd41

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Backed out changeset 92156fe32755
author Paper <paper@tflc.us>
date Fri, 25 Apr 2025 17:40:46 -0400
parents bf6ad516f1e6
children
comparison
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33:4655b49eaf9f 34:8b5e0974fd41
42 * 2. Altered source versions must be plainly marked as such, and must not be 42 * 2. Altered source versions must be plainly marked as such, and must not be
43 * misrepresented as being the original software. 43 * misrepresented as being the original software.
44 * 3. This notice may not be removed or altered from any source distribution. 44 * 3. This notice may not be removed or altered from any source distribution.
45 */ 45 */
46 46
47 #include "vec/vec.h"
48 #include "vec/cpu.h" 47 #include "vec/cpu.h"
49 48
50 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__)) 49 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
51 # include <sys/sysctl.h> // For AltiVec check 50 # include <sys/sysctl.h> // For AltiVec check
52 #elif defined(__OpenBSD__) && defined(__powerpc__) 51 #elif defined(__OpenBSD__) && defined(__powerpc__)
54 # include <sys/sysctl.h> // For AltiVec check 53 # include <sys/sysctl.h> // For AltiVec check
55 # include <machine/cpu.h> 54 # include <machine/cpu.h>
56 #elif defined(__FreeBSD__) && defined(__powerpc__) 55 #elif defined(__FreeBSD__) && defined(__powerpc__)
57 # include <machine/cpu.h> 56 # include <machine/cpu.h>
58 # include <sys/auxv.h> 57 # include <sys/auxv.h>
59 #elif defined(VEC_COMPILER_HAS_ALTIVEC) 58 #elif defined(__ALTIVEC__)
60 # include <signal.h> 59 # include <signal.h>
61 # include <setjmp.h> 60 # include <setjmp.h>
62 #endif 61 #endif
63 62
64 #ifdef __FreeBSD__ 63 #ifdef __FreeBSD__
309 altivec = cpufeatures & PPC_FEATURE_HAS_ALTIVEC; 308 altivec = cpufeatures & PPC_FEATURE_HAS_ALTIVEC;
310 #elif defined(VEC_COMPILER_HAS_ALTIVEC) && defined(__GNUC__) 309 #elif defined(VEC_COMPILER_HAS_ALTIVEC) && defined(__GNUC__)
311 void (*handler)(int sig); 310 void (*handler)(int sig);
312 handler = signal(SIGILL, vec_CPU_illegal_instruction); 311 handler = signal(SIGILL, vec_CPU_illegal_instruction);
313 if (!setjmp(vec_jmpbuf)) { 312 if (!setjmp(vec_jmpbuf)) {
314 __asm__ __volatile__("mtspr 256, %0\n\t" 313 vector unsigned char vec;
315 "vand %%v0, %%v0, %%v0" ::"r"(-1)); 314 vec_and(vec, vec);
316 altivec = 1; 315 altivec = 1;
317 } 316 }
318 signal(SIGILL, handler); 317 signal(SIGILL, handler);
319 #endif 318 #endif
320 return altivec; 319 return altivec;