[llvm-commits] CVS: llvm-test/SingleSource/UnitTests/Integer/bits.h

[Reid Spencer]

Changes in directory llvm-test/SingleSource/UnitTests/Integer:

bits.h added (r1.1)
---
Log message:

Add a helper header file for these test cases.


---
Diffs of the changes:  (+89 -0)

 bits.h |   89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 89 insertions(+)


Index: llvm-test/SingleSource/UnitTests/Integer/bits.h
diff -c /dev/null llvm-test/SingleSource/UnitTests/Integer/bits.h:1.1
*** /dev/null	Tue Apr 17 18:10:30 2007
--- llvm-test/SingleSource/UnitTests/Integer/bits.h	Tue Apr 17 18:10:20 2007
***************
*** 0 ****
--- 1,89 ----
+ //===--- bits.h --- Test The bit_select builtin ---------------------------===//
+ //
+ // This file was developed by Reid Spencer and is distributed under the 
+ // University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+ //===----------------------------------------------------------------------===//
+ //
+ // This header file contains some type and macro definitiosn useful for working
+ // with bit accurate types and the bitwise builtins
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
+ 
+ typedef unsigned int __attribute__((bitwidth(1))) Int1;
+ typedef unsigned int __attribute__((bitwidth(2))) Int2;
+ typedef unsigned int __attribute__((bitwidth(3))) Int3;
+ typedef unsigned int __attribute__((bitwidth(4))) Int4;
+ typedef unsigned int __attribute__((bitwidth(5))) Int5;
+ typedef unsigned int __attribute__((bitwidth(6))) Int6;
+ typedef unsigned int __attribute__((bitwidth(7))) Int7;
+ typedef unsigned int __attribute__((bitwidth(8))) Int8;
+ typedef unsigned int __attribute__((bitwidth(16))) Int16;
+ typedef unsigned int __attribute__((bitwidth(17))) Int17;
+ typedef unsigned int __attribute__((bitwidth(19))) Int19;
+ typedef unsigned int __attribute__((bitwidth(17))) Int32;
+ typedef unsigned int __attribute__((bitwidth(36))) Int36;
+ typedef unsigned int __attribute__((bitwidth(47))) Int47;
+ typedef unsigned int __attribute__((bitwidth(48))) Int48;
+ typedef unsigned int __attribute__((bitwidth(64))) Int64;
+ typedef unsigned int __attribute__((bitwidth(65))) Int65;
+ typedef unsigned int __attribute__((bitwidth(128))) Int128;
+ /*typedef unsigned int __attribute__((bitwidth(256))) Int256; */
+ 
+ #define bitwidthof(TORV) (__bitwidthof__(typeof(TORV)))
+ 
+ #define bit_concat(X, Y) ({ \
+   unsigned int __attribute__((bitwidth(__bitwidthof__(X)+__bitwidthof__(Y)))) R; \
+   typeof(X) X2 = X; \
+   typeof(Y) Y2 = Y; \
+   __builtin_bit_concat(&R, &X2, &Y2); \
+   R; \
+ })
+ 
+ #define bit_select(Val, Bit) ({ \
+   typeof(Val) Val2 = Val; \
+   __builtin_bit_select(&Val2, Bit); \
+ })
+ 
+ #define bit_set(Val, Repl, Bit) ({ \
+   typeof(Val) Result = 0; \
+   typeof(Val) Val2 = Val; \
+   typeof(Repl) Repl2 = Repl; \
+   __builtin_bit_set(&Result, &Val2, &Repl, Bit); \
+   Result; \
+ })
+ 
+ 
+ #define part_select(Val, Lo, Hi) ({ \
+   typeof(Val) Result = 0; \
+   typeof(Val) Val2 = Val; \
+   __builtin_bit_part_select(&Result, &Val2, Lo, Hi); \
+   Result; \
+ })
+ 
+ #define part_set(Val, Repl, Lo, Hi) ({ \
+   typeof(Val) Result = 0; \
+   typeof(Val) Val2 = Val; \
+   typeof(Repl) Repl2 = Repl; \
+   __builtin_bit_part_set(&Result, &Val2, &Repl2, Lo, Hi); \
+   Result; \
+ })
+ 
+ #define reduce(how, what) { \
+   typeof(what) what2 = what; \
+   __bulitin_bit_reduce_ ## how(&what2); \
+ }
+ 
+ #define printBits(val) { \
+   int bit = bitwidthof(val); \
+   for ( ; bit > 0; --bit) { \
+     if (bit_select(val, bit-1)) \
+       putchar('1'); \
+     else \
+       putchar('0'); \
+   } \
+ } 
+