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authorJeff Johnston <jjohnstn@redhat.com>2007-09-28 22:32:57 +0400
committerJeff Johnston <jjohnstn@redhat.com>2007-09-28 22:32:57 +0400
commit505ea71432880e9464e407dc08b4648ae3566c9d (patch)
tree044d5ba35640cd33c718b47821791f2d316739de /newlib/libm/machine/spu/headers/lround.h
parentb75971ef8a9ea404cd31d553634d6d1d46159b59 (diff)
2007-09-28 Patrick Mansfield <patmans@us.ibm.com>
* configure.host: Define _POSIX_MODE to match the existing vector math code, as we don't support the matherr callout. * libm/machine/spu/Makefile.am: New file. * libm/machine/spu/Makefile.in: Auto-generated. * libm/machine/spu/headers/atanf.h: New file. * libm/machine/spu/headers/cbrt.h: Ditto. * libm/machine/spu/headers/cbrtf.h: Ditto. * libm/machine/spu/headers/ceil.h: Ditto. * libm/machine/spu/headers/ceilf.h: Ditto. * libm/machine/spu/headers/copysign.h: Ditto. * libm/machine/spu/headers/copysignf.h: Ditto. * libm/machine/spu/headers/exp2f.h: Ditto. * libm/machine/spu/headers/expf.h: Ditto. * libm/machine/spu/headers/fabs.h: Ditto. * libm/machine/spu/headers/fabsf.h: Ditto. * libm/machine/spu/headers/fdim.h: Ditto. * libm/machine/spu/headers/fdimf.h: Ditto. * libm/machine/spu/headers/floor.h: Ditto. * libm/machine/spu/headers/floorf.h: Ditto. * libm/machine/spu/headers/fma.h: Ditto. * libm/machine/spu/headers/fmaf.h: Ditto. * libm/machine/spu/headers/fmax.h: Ditto. * libm/machine/spu/headers/fmaxf.h: Ditto. * libm/machine/spu/headers/fmin.h: Ditto. * libm/machine/spu/headers/fminf.h: Ditto. * libm/machine/spu/headers/fmod.h: Ditto. * libm/machine/spu/headers/fmodf.h: Ditto. * libm/machine/spu/headers/frexp.h: Ditto. * libm/machine/spu/headers/frexpf.h: Ditto. * libm/machine/spu/headers/ilogb.h: Ditto. * libm/machine/spu/headers/ilogbf.h: Ditto. * libm/machine/spu/headers/ldexp.h: Ditto. * libm/machine/spu/headers/ldexpf.h: Ditto. * libm/machine/spu/headers/llrint.h: Ditto. * libm/machine/spu/headers/llrintf.h: Ditto. * libm/machine/spu/headers/llround.h: Ditto. * libm/machine/spu/headers/llroundf.h: Ditto. * libm/machine/spu/headers/log10f.h: Ditto. * libm/machine/spu/headers/log2f.h: Ditto. * libm/machine/spu/headers/logf.h: Ditto. * libm/machine/spu/headers/lrint.h: Ditto. * libm/machine/spu/headers/lrintf.h: Ditto. * libm/machine/spu/headers/lround.h: Ditto. * libm/machine/spu/headers/lroundf.h: Ditto. * libm/machine/spu/headers/nearbyint.h: Ditto. * libm/machine/spu/headers/remainder.h: Ditto. * libm/machine/spu/headers/remainderf.h: Ditto. * libm/machine/spu/headers/remquo.h: Ditto. * libm/machine/spu/headers/remquof.h: Ditto. * libm/machine/spu/headers/rint.h: Ditto. * libm/machine/spu/headers/round.h: Ditto. * libm/machine/spu/headers/roundf.h: Ditto. * libm/machine/spu/headers/scalbn.h: Ditto. * libm/machine/spu/headers/scalbnf.h: Ditto. * libm/machine/spu/headers/sqrt.h: Ditto. * libm/machine/spu/headers/trunc.h: Ditto. * libm/machine/spu/headers/truncf.h: Ditto. * libm/machine/spu/headers/vec_literal.h: Ditto. * libm/machine/spu/llrint.c: Ditto. * libm/machine/spu/llrintf.c: Ditto. * libm/machine/spu/llround.c: Ditto. * libm/machine/spu/llroundf.c: Ditto. * libm/machine/spu/log2f.c: Ditto. * libm/machine/spu/s_cbrt.c: Ditto. * libm/machine/spu/s_ceil.c: Ditto. * libm/machine/spu/s_copysign.c: Ditto. * libm/machine/spu/s_fabs.c: Ditto. * libm/machine/spu/s_fdim.c: Ditto. * libm/machine/spu/s_floor.c: Ditto. * libm/machine/spu/s_fma.c: Ditto. * libm/machine/spu/s_fmax.c: Ditto. * libm/machine/spu/s_fmin.c: Ditto. * libm/machine/spu/s_frexp.c: Ditto. * libm/machine/spu/s_ilogb.c: Ditto. * libm/machine/spu/s_ldexp.c: Ditto. * libm/machine/spu/s_lrint.c: Ditto. * libm/machine/spu/s_lround.c: Ditto. * libm/machine/spu/s_nearbyint.c: Ditto. * libm/machine/spu/s_remquo.c: Ditto. * libm/machine/spu/s_rint.c: Ditto. * libm/machine/spu/s_round.c: Ditto. * libm/machine/spu/s_scalbn.c: Ditto. * libm/machine/spu/s_trunc.c: Ditto. * libm/machine/spu/sf_atan.c: Ditto. * libm/machine/spu/sf_cbrt.c: Ditto. * libm/machine/spu/sf_ceil.c: Ditto. * libm/machine/spu/sf_copysign.c: Ditto. * libm/machine/spu/sf_fabs.c: Ditto. * libm/machine/spu/sf_fdim.c: Ditto. * libm/machine/spu/sf_floor.c: Ditto. * libm/machine/spu/sf_fma.c: Ditto. * libm/machine/spu/sf_fmax.c: Ditto. * libm/machine/spu/sf_fmin.c: Ditto. * libm/machine/spu/sf_frexp.c: Ditto. * libm/machine/spu/sf_ilogb.c: Ditto. * libm/machine/spu/sf_ldexp.c: Ditto. * libm/machine/spu/sf_lrint.c: Ditto. * libm/machine/spu/sf_lround.c: Ditto. * libm/machine/spu/sf_remquo.c: Ditto. * libm/machine/spu/sf_round.c: Ditto. * libm/machine/spu/sf_scalbn.c: Ditto. * libm/machine/spu/sf_trunc.c: Ditto. * libm/machine/spu/w_fmod.c: Ditto. * libm/machine/spu/w_remainder.c: Ditto. * libm/machine/spu/w_sqrt.c: Ditto. * libm/machine/spu/wf_exp.c: Ditto. * libm/machine/spu/wf_exp2.c: Ditto. * libm/machine/spu/wf_fmod.c: Ditto. * libm/machine/spu/wf_log.c: Ditto. * libm/machine/spu/wf_log10.c: Ditto. * libm/machine/spu/wf_remainder.c: Ditto.
Diffstat (limited to 'newlib/libm/machine/spu/headers/lround.h')
-rw-r--r--newlib/libm/machine/spu/headers/lround.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/headers/lround.h b/newlib/libm/machine/spu/headers/lround.h
new file mode 100644
index 000000000..2a1e3269a
--- /dev/null
+++ b/newlib/libm/machine/spu/headers/lround.h
@@ -0,0 +1,84 @@
+/*
+ (C) Copyright 2001,2006,
+ International Business Machines Corporation,
+ Sony Computer Entertainment, Incorporated,
+ Toshiba Corporation,
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the names of the copyright holders nor the names of their
+ contributors may be used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef _LROUND_H_
+#define _LROUND_H_ 1
+
+#include <spu_intrinsics.h>
+#include "headers/vec_literal.h"
+
+/* Round the input to the nearest integer value, rounding halfway cases
+ * away from zero. No special handling is performed when values are
+ * outside the 32-bit range.
+ */
+
+static __inline long int _lround(double x)
+{
+ int shift;
+ vec_int4 exp;
+ vec_uint4 mant, sign, mask, addend;
+ vec_double2 in;
+
+ in = spu_promote(x, 0);
+
+ /* Determine how many bits to shift the mantissa to correctly
+ * align it into long long element 0.
+ */
+ exp = spu_and(spu_rlmask((vec_int4)in, -20), 0x7FF);
+ exp = spu_add(exp, -979);
+ shift = spu_extract(exp, 0);
+
+ mask = spu_cmpgt(exp, 0);
+
+ /* Algn mantissa bits
+ */
+ mant = spu_sel(spu_rlmaskqwbyte((vec_uint4)in, -8), VEC_SPLAT_U32(0x00100000),
+ VEC_LITERAL(vec_uint4, 0,0,0xFFF00000,0));
+
+ mant = spu_slqwbytebc(spu_slqw(mant, shift), shift);
+
+ /* Perform round by adding 1 if the fraction bits are
+ * greater than or equal to .5
+ */
+ addend = spu_and(spu_rlqw(mant, 1), 1);
+ mant = spu_and(spu_add(mant, addend), mask);
+
+ /* Compute the two's complement of the mantissa if the
+ * input is negative.
+ */
+ sign = (vec_uint4)spu_rlmaska((vec_int4)in, -31);
+
+ mant = spu_sub(spu_xor(mant, sign), sign);
+
+ return ((long int)spu_extract(mant, 0));
+}
+#endif /* _LROUND_H_ */