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65 | #endif |
65 | #endif |
66 | #endif |
66 | #endif |
67 | |
67 | |
68 | /* work around x32 idiocy by defining proper macros */ |
68 | /* work around x32 idiocy by defining proper macros */ |
69 | #if __x86_64 || _M_AMD64 |
69 | #if __x86_64 || _M_AMD64 |
70 | #if __ILP32 |
70 | #if _ILP32 |
71 | #define ECB_AMD64_X32 1 |
71 | #define ECB_AMD64_X32 1 |
72 | #else |
72 | #else |
73 | #define ECB_AMD64 1 |
73 | #define ECB_AMD64 1 |
74 | #endif |
74 | #endif |
75 | #endif |
75 | #endif |
… | |
… | |
141 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
141 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
142 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
142 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
143 | #elif defined __s390__ || defined __s390x__ |
143 | #elif defined __s390__ || defined __s390x__ |
144 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
144 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
145 | #elif defined __mips__ |
145 | #elif defined __mips__ |
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|
146 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
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147 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
146 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
148 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
147 | #elif defined __alpha__ |
149 | #elif defined __alpha__ |
148 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
150 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
149 | #elif defined __hppa__ |
151 | #elif defined __hppa__ |
150 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
152 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
151 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
153 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
152 | #elif defined __ia64__ |
154 | #elif defined __ia64__ |
153 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
155 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
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156 | #elif defined __m68k__ |
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157 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
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158 | #elif defined __m88k__ |
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159 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
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160 | #elif defined __sh__ |
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161 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
154 | #endif |
162 | #endif |
155 | #endif |
163 | #endif |
156 | #endif |
164 | #endif |
157 | |
165 | |
158 | #ifndef ECB_MEMORY_FENCE |
166 | #ifndef ECB_MEMORY_FENCE |
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565 | || defined __s390__ || defined __s390x__ \ |
573 | || defined __s390__ || defined __s390x__ \ |
566 | || defined __mips__ \ |
574 | || defined __mips__ \ |
567 | || defined __alpha__ \ |
575 | || defined __alpha__ \ |
568 | || defined __hppa__ \ |
576 | || defined __hppa__ \ |
569 | || defined __ia64__ \ |
577 | || defined __ia64__ \ |
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|
578 | || defined __m68k__ \ |
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|
579 | || defined __m88k__ \ |
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|
580 | || defined __sh__ \ |
570 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
581 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
571 | #define ECB_STDFP 1 |
582 | #define ECB_STDFP 1 |
572 | #include <string.h> /* for memcpy */ |
583 | #include <string.h> /* for memcpy */ |
573 | #else |
584 | #else |
574 | #define ECB_STDFP 0 |
585 | #define ECB_STDFP 0 |
575 | #include <math.h> /* for frexp*, ldexp* */ |
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|
576 | #endif |
586 | #endif |
577 | |
587 | |
578 | #ifndef ECB_NO_LIBM |
588 | #ifndef ECB_NO_LIBM |
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|
589 | |
|
|
590 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
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591 | |
|
|
592 | #ifdef NEN |
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|
593 | #define ECB_NAN NAN |
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|
594 | #else |
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|
595 | #define ECB_NAN INFINITY |
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|
596 | #endif |
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|
597 | |
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|
598 | /* converts an ieee half/binary16 to a float */ |
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599 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
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600 | ecb_function_ float |
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601 | ecb_binary16_to_float (uint16_t x) |
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|
602 | { |
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603 | int e = (x >> 10) & 0x1f; |
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604 | int m = x & 0x3ff; |
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|
605 | float r; |
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606 | |
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|
607 | if (!e ) r = ldexpf (m , -24); |
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|
608 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
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609 | else if (m ) r = ECB_NAN; |
|
|
610 | else r = INFINITY; |
|
|
611 | |
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|
612 | return x & 0x8000 ? -r : r; |
|
|
613 | } |
579 | |
614 | |
580 | /* convert a float to ieee single/binary32 */ |
615 | /* convert a float to ieee single/binary32 */ |
581 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
616 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
582 | ecb_function_ uint32_t |
617 | ecb_function_ uint32_t |
583 | ecb_float_to_binary32 (float x) |
618 | ecb_float_to_binary32 (float x) |