FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

optimize-bswap-1.c: Split into these two:

Browse source 
2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc.dg/optimize-bswap-1.c: Split into these two:
	* gcc.dg/optimize-bswapsi-1.c: New testcase.
	* gcc.dg/optimize-bswapdi-1.c: New testcase.

From-SVN: r148487
This commit is contained in:
Andreas Krebbel 2009-06-15 10:29:47 +00:00 • committed by Andreas Krebbel
parent 0eb927358f
commit c3d1e92298
3 changed files with 44 additions and 27 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.dg/optimize-bswap-1.c: Split into these two:
* gcc.dg/optimize-bswapsi-1.c: New testcase.
* gcc.dg/optimize-bswapdi-1.c: New testcase.
2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.dg/optimize-bswap-1.c: New testcase.

30
gcc/testsuite/gcc.dg/optimize-bswap-1.c → gcc/testsuite/gcc.dg/optimize-bswapdi-1.c
View file

@ -1,15 +1,9 @@
/* { dg-do compile } */
/* { dg-do compile { target alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* } } */
/* { dg-require-effective-target stdint_types } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -fdump-tree-bswap" } */
#include <stdint.h>
#define __const_swab32(x) ((uint32_t)( \
(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
#define __const_swab64(x) ((uint64_t)( \
(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
@ -20,33 +14,15 @@
(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56)))
/* This byte swap implementation is used by the Linux kernel and the
GNU C library. */
uint32_t
swap32_a (uint32_t in)
{
return __const_swab32 (in);
}
uint64_t
swap64 (uint64_t in)
{
return __const_swab64 (in);
}
/* The OpenSSH byte swap implementation. */
uint32_t
swap32_b (uint32_t in)
{
uint32_t a;
a = (in << 16) | (in >> 16);
a = ((a & 0x00ff00ff) << 8) | ((a & 0xff00ff00) >> 8);
return a;
}
/* { dg-final { scan-tree-dump-times "32 bit bswap implementation found at" 2 "bswap" } } */
/* { dg-final { scan-tree-dump-times "64 bit bswap implementation found at" 1 "bswap" } } */
/* { dg-final { cleanup-tree-dump "bswap" } } */

35
gcc/testsuite/gcc.dg/optimize-bswapsi-1.c Normal file
View file

@ -0,0 +1,35 @@
/* { dg-do compile { target alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
/* { dg-require-effective-target stdint_types } */
/* { dg-options "-O2 -fdump-tree-bswap" } */
#include <stdint.h>
#define __const_swab32(x) ((uint32_t)( \
(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
/* This byte swap implementation is used by the Linux kernel and the
GNU C library. */
uint32_t
swap32_a (uint32_t in)
{
return __const_swab32 (in);
}
/* The OpenSSH byte swap implementation. */
uint32_t
swap32_b (uint32_t in)
{
uint32_t a;
a = (in << 16) | (in >> 16);
a = ((a & 0x00ff00ff) << 8) | ((a & 0xff00ff00) >> 8);
return a;
}
/* { dg-final { scan-tree-dump-times "32 bit bswap implementation found at" 2 "bswap" } } */
/* { dg-final { cleanup-tree-dump "bswap" } } */