[libclc] 177/291: Revert "Implement generic mad_sat"

Andreas Beckmann anbe at moszumanska.debian.org
Tue Sep 8 10:53:46 UTC 2015


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anbe pushed a commit to branch master
in repository libclc.

commit 78264ec7d048532f617b620a1c3d790b34f45d17
Author: Aaron Watry <awatry at gmail.com>
Date:   Sat Aug 23 14:06:01 2014 +0000

    Revert "Implement generic mad_sat"
    
    This reverts commit cf62eded8b623a1c10d3692d25e5882b7939f564.
    
    I didn't mean to commit this...  Jan has a v3 incoming
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@216322 91177308-0d34-0410-b5e6-96231b3b80d8
---
 generic/include/clc/clc.h               |  1 -
 generic/include/clc/integer/mad_sat.h   |  3 --
 generic/include/clc/integer/mad_sat.inc |  1 -
 generic/lib/SOURCES                     |  1 -
 generic/lib/clcmacro.h                  | 22 ----------
 generic/lib/integer/mad_sat.cl          | 72 ---------------------------------
 6 files changed, 100 deletions(-)

diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index 20664f9..84b25ac 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -82,7 +82,6 @@
 #include <clc/integer/hadd.h>
 #include <clc/integer/mad24.h>
 #include <clc/integer/mad_hi.h>
-#include <clc/integer/mad_sat.h>
 #include <clc/integer/mul24.h>
 #include <clc/integer/mul_hi.h>
 #include <clc/integer/rhadd.h>
diff --git a/generic/include/clc/integer/mad_sat.h b/generic/include/clc/integer/mad_sat.h
deleted file mode 100644
index 3e92372..0000000
--- a/generic/include/clc/integer/mad_sat.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#define __CLC_BODY <clc/integer/mad_sat.inc>
-#include <clc/integer/gentype.inc>
-#undef __CLC_BODY
diff --git a/generic/include/clc/integer/mad_sat.inc b/generic/include/clc/integer/mad_sat.inc
deleted file mode 100644
index 5da2bdf..0000000
--- a/generic/include/clc/integer/mad_sat.inc
+++ /dev/null
@@ -1 +0,0 @@
-_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE mad_sat(__CLC_GENTYPE x, __CLC_GENTYPE y, __CLC_GENTYPE z);
diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
index 5ad823d..21fc7ca 100644
--- a/generic/lib/SOURCES
+++ b/generic/lib/SOURCES
@@ -20,7 +20,6 @@ integer/clz_if.ll
 integer/clz_impl.ll
 integer/hadd.cl
 integer/mad24.cl
-integer/mad_sat.cl
 integer/mul24.cl
 integer/mul_hi.cl
 integer/rhadd.cl
diff --git a/generic/lib/clcmacro.h b/generic/lib/clcmacro.h
index ef102ea..730073a 100644
--- a/generic/lib/clcmacro.h
+++ b/generic/lib/clcmacro.h
@@ -41,28 +41,6 @@
     return (RET_TYPE##16)(FUNCTION(x.lo, y.lo), FUNCTION(x.hi, y.hi)); \
   }
 
-#define _CLC_TERNARY_VECTORIZE(DECLSPEC, RET_TYPE, FUNCTION, ARG1_TYPE, ARG2_TYPE, ARG3_TYPE) \
-  DECLSPEC RET_TYPE##2 FUNCTION(ARG1_TYPE##2 x, ARG2_TYPE##2 y, ARG3_TYPE##2 z) { \
-    return (RET_TYPE##2)(FUNCTION(x.x, y.x, z.x), FUNCTION(x.y, y.y, z.y)); \
-  } \
-\
-  DECLSPEC RET_TYPE##3 FUNCTION(ARG1_TYPE##3 x, ARG2_TYPE##3 y, ARG3_TYPE##3 z) { \
-    return (RET_TYPE##3)(FUNCTION(x.x, y.x, z.x), FUNCTION(x.y, y.y, z.y), \
-                         FUNCTION(x.z, y.z, z.z)); \
-  } \
-\
-  DECLSPEC RET_TYPE##4 FUNCTION(ARG1_TYPE##4 x, ARG2_TYPE##4 y, ARG3_TYPE##4 z) { \
-    return (RET_TYPE##4)(FUNCTION(x.lo, y.lo, z.lo), FUNCTION(x.hi, y.hi, z.hi)); \
-  } \
-\
-  DECLSPEC RET_TYPE##8 FUNCTION(ARG1_TYPE##8 x, ARG2_TYPE##8 y, ARG3_TYPE##8 z) { \
-    return (RET_TYPE##8)(FUNCTION(x.lo, y.lo, z.lo), FUNCTION(x.hi, y.hi, z.hi)); \
-  } \
-\
-  DECLSPEC RET_TYPE##16 FUNCTION(ARG1_TYPE##16 x, ARG2_TYPE##16 y, ARG3_TYPE##16 z) { \
-    return (RET_TYPE##16)(FUNCTION(x.lo, y.lo, z.lo), FUNCTION(x.hi, y.hi, z.hi)); \
-  }
-
 #define _CLC_DEFINE_BINARY_BUILTIN(RET_TYPE, FUNCTION, BUILTIN, ARG1_TYPE, ARG2_TYPE) \
 _CLC_DEF _CLC_OVERLOAD RET_TYPE FUNCTION(ARG1_TYPE x, ARG2_TYPE y) { \
   return BUILTIN(x, y); \
diff --git a/generic/lib/integer/mad_sat.cl b/generic/lib/integer/mad_sat.cl
deleted file mode 100644
index 7048931..0000000
--- a/generic/lib/integer/mad_sat.cl
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <clc/clc.h>
-#include "../clcmacro.h"
-
-_CLC_OVERLOAD _CLC_DEF char mad_sat(char x, char y, char z) {
-  return clamp((short)mad24((short)x, (short)y, (short)z), (short)CHAR_MIN, (short) CHAR_MAX);
-}
-
-_CLC_OVERLOAD _CLC_DEF uchar mad_sat(uchar x, uchar y, uchar z) {
-  return clamp((ushort)mad24((ushort)x, (ushort)y, (ushort)z), (ushort)0, (ushort) UCHAR_MAX);
-}
-
-_CLC_OVERLOAD _CLC_DEF short mad_sat(short x, short y, short z) {
-  return clamp((int)mad24((int)x, (int)y, (int)z), (int)SHRT_MIN, (int) SHRT_MAX);
-}
-
-_CLC_OVERLOAD _CLC_DEF ushort mad_sat(ushort x, ushort y, ushort z) {
-  return clamp((uint)mad24((uint)x, (uint)y, (uint)z), (uint)0, (uint) USHRT_MAX);
-}
-
-_CLC_OVERLOAD _CLC_DEF int mad_sat(int x, int y, int z) {
-  int mhi = mul_hi(x, y);
-  uint mlo = x * y;
-  long m = upsample(mhi, mlo);
-  m += z;
-  if (m > INT_MAX)
-    return INT_MAX;
-  if (m < INT_MIN)
-    return INT_MIN;
-  return m;
-}
-
-_CLC_OVERLOAD _CLC_DEF uint mad_sat(uint x, uint y, uint z) {
-  if (mul_hi(x, y) != 0)
-    return UINT_MAX;
-  return add_sat(x * y, z);
-}
-
-_CLC_OVERLOAD _CLC_DEF long mad_sat(long x, long y, long z) {
-  long hi = mul_hi(x, y);
-  ulong ulo = x * y;
-  long  slo = x * y;
-  /* Big overflow of more than 2 bits, add can't fix this */
-  if (((x < 0) == (y < 0)) && hi != 0)
-    return LONG_MAX;
-  /* Low overflow in mul and z not neg enough to correct it */
-  if (hi == 0 && ulo >= LONG_MAX && (z > 0 || (ulo + z) > LONG_MAX))
-    return LONG_MAX;
-  /* Big overflow of more than 2 bits, add can't fix this */
-  if (((x < 0) != (y < 0)) && hi != -1)
-    return LONG_MIN;
-  /* Low overflow in mul and z not pos enough to correct it */
-  if (hi == -1 && ulo <= ((ulong)LONG_MAX + 1UL) && (z < 0 || z < (LONG_MAX - ulo)))
-    return LONG_MIN;
-  /* We have checked all conditions, any overflow in addtion returns
-   * the correct value */
-  return ulo + z;
-}
-
-_CLC_OVERLOAD _CLC_DEF ulong mad_sat(ulong x, ulong y, ulong z) {
-  if (mul_hi(x, y) != 0)
-    return ULONG_MAX;
-  return add_sat(x * y, z);
-}
-
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, char, mad_sat, char, char, char)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, uchar, mad_sat, uchar, uchar, uchar)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, short, mad_sat, short, short, short)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, ushort, mad_sat, ushort, ushort, ushort)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, int, mad_sat, int, int, int)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, uint, mad_sat, uint, uint, uint)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, long, mad_sat, long, long, long)
-_CLC_TERNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, ulong, mad_sat, ulong, ulong, ulong)

-- 
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