gcc_fixes.h
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上传日期:2014-04-03
资源大小:7248k
文件大小:3k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * gcc fixes for altivec.
- * Used to workaround broken gcc (FSF gcc-3 pre gcc-3.3)
- * and to stay somewhat compatible with Darwin.
- */
- #ifndef _GCC_FIXES_
- #define _GCC_FIXES_
- #ifdef HAVE_ALTIVEC_H
- #include <altivec.h>
- #endif
- #ifdef CONFIG_DARWIN
- # ifndef __MWERKS__
- # define AVV(x...) (x)
- # else
- # define AVV
- # endif
- #else
- #define AVV(x...) {x}
- #if (__GNUC__ * 100 + __GNUC_MINOR__ < 303)
- /* This code was provided to me by Bartosch Pixa
- * as a separate header file (broken_mergel.h).
- * thanks to lu_zero for the workaround.
- *
- * See this mail for more information:
- * http://gcc.gnu.org/ml/gcc/2003-04/msg00967.html
- */
- static inline vector signed char ff_vmrglb (vector signed char const A,
- vector signed char const B)
- {
- static const vector unsigned char lowbyte = {
- 0x08, 0x18, 0x09, 0x19, 0x0a, 0x1a, 0x0b, 0x1b,
- 0x0c, 0x1c, 0x0d, 0x1d, 0x0e, 0x1e, 0x0f, 0x1f
- };
- return vec_perm (A, B, lowbyte);
- }
- static inline vector signed short ff_vmrglh (vector signed short const A,
- vector signed short const B)
- {
- static const vector unsigned char lowhalf = {
- 0x08, 0x09, 0x18, 0x19, 0x0a, 0x0b, 0x1a, 0x1b,
- 0x0c, 0x0d, 0x1c, 0x1d, 0x0e, 0x0f, 0x1e, 0x1f
- };
- return vec_perm (A, B, lowhalf);
- }
- static inline vector signed int ff_vmrglw (vector signed int const A,
- vector signed int const B)
- {
- static const vector unsigned char lowword = {
- 0x08, 0x09, 0x0a, 0x0b, 0x18, 0x19, 0x1a, 0x1b,
- 0x0c, 0x0d, 0x0e, 0x0f, 0x1c, 0x1d, 0x1e, 0x1f
- };
- return vec_perm (A, B, lowword);
- }
- /*#define ff_vmrglb ff_vmrglb
- #define ff_vmrglh ff_vmrglh
- #define ff_vmrglw ff_vmrglw
- */
- #undef vec_mergel
- #define vec_mergel(a1, a2)
- __ch (__bin_args_eq (vector signed char, (a1), vector signed char, (a2)),
- ((vector signed char) ff_vmrglb ((vector signed char) (a1), (vector signed char) (a2))),
- __ch (__bin_args_eq (vector unsigned char, (a1), vector unsigned char, (a2)),
- ((vector unsigned char) ff_vmrglb ((vector signed char) (a1), (vector signed char) (a2))),
- __ch (__bin_args_eq (vector signed short, (a1), vector signed short, (a2)),
- ((vector signed short) ff_vmrglh ((vector signed short) (a1), (vector signed short) (a2))),
- __ch (__bin_args_eq (vector unsigned short, (a1), vector unsigned short, (a2)),
- ((vector unsigned short) ff_vmrglh ((vector signed short) (a1), (vector signed short) (a2))),
- __ch (__bin_args_eq (vector float, (a1), vector float, (a2)),
- ((vector float) ff_vmrglw ((vector signed int) (a1), (vector signed int) (a2))),
- __ch (__bin_args_eq (vector signed int, (a1), vector signed int, (a2)),
- ((vector signed int) ff_vmrglw ((vector signed int) (a1), (vector signed int) (a2))),
- __ch (__bin_args_eq (vector unsigned int, (a1), vector unsigned int, (a2)),
- ((vector unsigned int) ff_vmrglw ((vector signed int) (a1), (vector signed int) (a2))),
- __altivec_link_error_invalid_argument ())))))))
- #endif
- #endif /* CONFIG_DARWIN */
- #ifndef __MWERKS__
- #define const_vector const vector
- #else
- #define const_vector vector
- #endif
- #endif /* _GCC_FIXES_ */