diff options
Diffstat (limited to 'newlib/libm/machine/amdgcn/v64df_rint.c')
-rw-r--r-- | newlib/libm/machine/amdgcn/v64df_rint.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/newlib/libm/machine/amdgcn/v64df_rint.c b/newlib/libm/machine/amdgcn/v64df_rint.c deleted file mode 100644 index 561c9a2ac..000000000 --- a/newlib/libm/machine/amdgcn/v64df_rint.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* Based on newlib/libm/common/s_rint.c in Newlib. */ - -#include "amdgcnmach.h" - -static const double TWO52[2] = { - 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */ - -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */ -}; - -DEF_VD_MATH_FUNC (v64df, rint, v64df x) -{ - FUNCTION_INIT (v64df); - - v64si i0, i1; - EXTRACT_WORDS (i0, i1, x); - v64si sx = (i0 >> 31) & 1; - v64df two52 = VECTOR_MERGE (VECTOR_INIT (TWO52[1]), VECTOR_INIT (TWO52[0]), sx != 0); - v64si j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - v64si i; - VECTOR_IF (j0 < 20, cond) - VECTOR_IF2 (j0 < 0, cond2, cond) - VECTOR_RETURN (x, cond2 & (((i0 & 0x7fffffff) | i1) == 0)); - VECTOR_COND_MOVE (i1, i1 | (i0 & 0x0fffff), cond2); - VECTOR_COND_MOVE (i0, i0 & 0xfffe0000, cond2); - VECTOR_COND_MOVE (i0, i0 | (((i1 | -i1) >> 12) & 0x80000), cond2); - SET_HIGH_WORD (x, i0, cond2); - v64df w = two52 + x; - v64df t = w - two52; - GET_HIGH_WORD (i0, t, cond2); - SET_HIGH_WORD (t, (i0&0x7fffffff)|(sx<<31), cond2); - VECTOR_RETURN (t, cond2); - VECTOR_ELSE2 (cond2, cond) - i = (0x000fffff) >> j0; - VECTOR_RETURN (x, cond2 & (((i0 & i) | i1) == 0)); /* x is integral */ - i >>= 1; - VECTOR_IF2 (((i0 & i) | i1) != 0, cond3, cond2) - VECTOR_COND_MOVE (i1, CAST_VECTOR(v64si, VECTOR_INIT (0x80000000)), cond3 & (j0 == 19)); - VECTOR_COND_MOVE (i1, VECTOR_INIT (0), cond3 & (j0 != 19)); - VECTOR_COND_MOVE (i0, (i0 & (~i)) | ((0x40000) >> j0), cond3); - VECTOR_ENDIF - VECTOR_ENDIF - VECTOR_ELSEIF (j0 > 51, cond) - VECTOR_RETURN (x + x, cond & (j0 == 0x400)); - VECTOR_RETURN (x, cond); - VECTOR_ELSE (cond) - i = CAST_VECTOR (v64si, VECTOR_INIT (0xffffffff) >> (j0 - 20)); - VECTOR_RETURN (x, cond & ((i1 & i) == 0)); - i >>= 1; - VECTOR_COND_MOVE (i1, (i1 & (~i)) | (0x40000000 >> (j0 - 20)), cond & ((i1 & i) != 0)); - VECTOR_ENDIF - INSERT_WORDS (x, i0, i1, NO_COND); - v64df w = two52 + x; - VECTOR_RETURN (w - two52, NO_COND); - - FUNCTION_RETURN; -} - -DEF_VARIANTS (rint, df, df) |