[Libclc-dev] [PATCH 1/2] frexp: Reuse types provided by gentype.inc
Jan Vesely via Libclc-dev
libclc-dev at lists.llvm.org
Fri Sep 22 18:25:06 PDT 2017
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
---
generic/lib/math/frexp.cl | 14 ++++++---
generic/lib/math/frexp.inc | 75 +++++++++++++++++++---------------------------
2 files changed, 40 insertions(+), 49 deletions(-)
diff --git a/generic/lib/math/frexp.cl b/generic/lib/math/frexp.cl
index acd5d93..b331ff8 100644
--- a/generic/lib/math/frexp.cl
+++ b/generic/lib/math/frexp.cl
@@ -1,10 +1,16 @@
#include <clc/clc.h>
-#include "math.h"
+#define __CLC_BODY <frexp.inc>
+#define __CLC_ADDRESS_SPACE private
+#include <clc/math/gentype.inc>
+#undef __CLC_ADDRESS_SPACE
-#ifdef cl_khr_fp64
-#pragma OPENCL EXTENSION cl_khr_fp64 : enable
-#endif
+#define __CLC_BODY <frexp.inc>
+#define __CLC_ADDRESS_SPACE global
+#include <clc/math/gentype.inc>
+#undef __CLC_ADDRESS_SPACE
#define __CLC_BODY <frexp.inc>
+#define __CLC_ADDRESS_SPACE local
#include <clc/math/gentype.inc>
+#undef __CLC_ADDRESS_SPACE
diff --git a/generic/lib/math/frexp.inc b/generic/lib/math/frexp.inc
index 0f5ddea..cf3841c 100644
--- a/generic/lib/math/frexp.inc
+++ b/generic/lib/math/frexp.inc
@@ -22,45 +22,44 @@
*/
#if __CLC_FPSIZE == 32
#ifdef __CLC_SCALAR
-_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(float x, private int *ep) {
- int i = as_int(x);
- int ai = i & 0x7fffffff;
- int d = ai > 0 & ai < 0x00800000;
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(float x, __CLC_ADDRESS_SPACE __CLC_INTN *ep) {
+ __CLC_INTN i = as_int(x);
+ __CLC_INTN ai = i & 0x7fffffff;
+ __CLC_INTN d = ai > 0 & ai < 0x00800000;
// scale subnormal by 2^26 without multiplying
- float s = as_float(ai | 0x0d800000) - 0x1.0p-100F;
+ __CLC_GENTYPE s = as_float(ai | 0x0d800000) - 0x1.0p-100F;
ai = d ? as_int(s) : ai;
- int e = (ai >> 23) - 126 - (d ? 26 : 0);
- int t = ai == 0 | e == 129;
+ __CLC_INTN e = (ai >> 23) - 126 - (d ? 26 : 0);
+ __CLC_INTN t = ai == 0 | e == 129;
i = (i & 0x80000000) | 0x3f000000 | (ai & 0x007fffff);
*ep = t ? 0 : e;
return t ? x : as_float(i);
}
+#else
#define __CLC_FREXP_VEC(width) \
-_CLC_OVERLOAD _CLC_DEF float##width frexp(float##width x, private int##width *ep) { \
- int##width i = as_int##width(x); \
- int##width ai = i & 0x7fffffff; \
- int##width d = ai > 0 & ai < 0x00800000; \
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, __CLC_ADDRESS_SPACE __CLC_INTN *ep) { \
+ __CLC_INTN i = as_int##width(x); \
+ __CLC_INTN ai = i & 0x7fffffff; \
+ __CLC_INTN d = ai > 0 & ai < 0x00800000; \
/* scale subnormal by 2^26 without multiplying */ \
- float##width s = as_float##width(ai | 0x0d800000) - 0x1.0p-100F; \
+ __CLC_GENTYPE s = as_float##width(ai | 0x0d800000) - 0x1.0p-100F; \
ai = bitselect(ai, as_int##width(s), d); \
- int##width e = (ai >> 23) - 126 - bitselect((int##width)0, (int##width)26, d); \
- int##width t = ai == (int##width)0 | e == (int##width)129; \
- i = (i & (int##width)0x80000000) | (int##width)0x3f000000 | (ai & 0x007fffff); \
- *ep = bitselect(e, (int##width)0, t); \
+ __CLC_INTN e = (ai >> 23) - 126 - bitselect((__CLC_INTN)0, (__CLC_INTN)26, d); \
+ __CLC_INTN t = ai == (__CLC_INTN)0 | e == (__CLC_INTN)129; \
+ i = (i & (__CLC_INTN)0x80000000) | (__CLC_INTN)0x3f000000 | (ai & 0x007fffff); \
+ *ep = bitselect(e, (__CLC_INTN)0, t); \
return bitselect(as_float##width(i), x, as_float##width(t)); \
}
-__CLC_FREXP_VEC(2)
-__CLC_FREXP_VEC(3)
-__CLC_FREXP_VEC(4)
-__CLC_FREXP_VEC(8)
-__CLC_FREXP_VEC(16)
+#define __CLC_FREXP_VEC2(x) __CLC_FREXP_VEC(x)
+__CLC_FREXP_VEC2(__CLC_VECSIZE)
+#undef __CLC_FREXP_VEC2
#undef __CLC_FREXP_VEC
#endif
#endif
#if __CLC_FPSIZE == 64
#ifdef __CLC_SCALAR
-_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, private __CLC_INTN *ep) {
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, __CLC_ADDRESS_SPACE __CLC_INTN *ep) {
long i = as_long(x);
long ai = i & 0x7fffffffffffffffL;
int d = ai > 0 & ai < 0x0010000000000000L;
@@ -73,38 +72,24 @@ _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, private __CLC_INTN *
*ep = t ? 0 : e;
return t ? x : as_double(i);
}
+#else
#define __CLC_FREXP_VEC(width) \
-_CLC_OVERLOAD _CLC_DEF double##width frexp(double##width x, private int##width *ep) { \
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, __CLC_ADDRESS_SPACE __CLC_INTN *ep) { \
long##width i = as_long##width(x); \
long##width ai = i & 0x7fffffffffffffffL; \
long##width d = ai > 0 & ai < 0x0010000000000000L; \
/* scale subnormal by 2^54 without multiplying */ \
- double##width s = as_double##width(ai | 0x0370000000000000L) - 0x1.0p-968; \
+ __CLC_GENTYPE s = as_double##width(ai | 0x0370000000000000L) - 0x1.0p-968; \
ai = bitselect(ai, as_long##width(s), d); \
- int##width e = convert_int##width(ai >> 52) - 1022 - bitselect((int##width)0, (int##width)54, convert_int##width(d)); \
- int##width t = convert_int##width(ai == (long##width)0) | (e == (int##width)129); \
+ __CLC_INTN e = convert_int##width(ai >> 52) - 1022 - bitselect((__CLC_INTN)0, (__CLC_INTN)54, convert_int##width(d)); \
+ __CLC_INTN t = convert_int##width(ai == (long##width)0) | (e == (__CLC_INTN)129); \
i = (i & (long##width)0x8000000000000000L) | (long##width)0x3fe0000000000000L | (ai & 0x000fffffffffffffL); \
- *ep = bitselect(e, (int##width)0, t); \
+ *ep = bitselect(e, (__CLC_INTN)0, t); \
return bitselect(as_double##width(i), x, as_double##width(convert_long##width(t))); \
}
-__CLC_FREXP_VEC(2)
-__CLC_FREXP_VEC(3)
-__CLC_FREXP_VEC(4)
-__CLC_FREXP_VEC(8)
-__CLC_FREXP_VEC(16)
+#define __CLC_FREXP_VEC2(x) __CLC_FREXP_VEC(x)
+__CLC_FREXP_VEC2(__CLC_VECSIZE)
+#undef __CLC_FREXP_VEC2
#undef __CLC_FREXP_VEC
#endif
#endif
-
-#define __CLC_FREXP_DEF(addrspace) \
- _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE frexp(__CLC_GENTYPE x, addrspace __CLC_INTN *iptr) { \
- __CLC_INTN private_iptr; \
- __CLC_GENTYPE ret = frexp(x, &private_iptr); \
- *iptr = private_iptr; \
- return ret; \
-}
-
-__CLC_FREXP_DEF(local);
-__CLC_FREXP_DEF(global);
-
-#undef __CLC_FREXP_DEF
--
2.13.5
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