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'); \
+ } \
+ }
+
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