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double-int.c (lshift_double, [...]): Remove SHIFT_COUNT_TRUNCATED handling. 

gcc/
	* double-int.c (lshift_double, rshift_double): Remove
	SHIFT_COUNT_TRUNCATED handling.

From-SVN: r204415
This commit is contained in:
Richard Sandiford 2013-11-05 19:58:12 +00:00 committed by Richard Sandiford
parent 8fdc414d43
commit bc0d6b1724
2 changed files with 6 additions and 7 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2013-11-05 Richard Sandiford <rdsandiford@googlemail.com>
* double-int.c (lshift_double, rshift_double): Remove
SHIFT_COUNT_TRUNCATED handling.
2013-11-05 Jeff Law <law@redhat.com> 2013-11-05 Jeff Law <law@redhat.com>
* Makefile.in (OBJS): Add gimple-ssa-isolate-paths.o * Makefile.in (OBJS): Add gimple-ssa-isolate-paths.o

8
gcc/double-int.c
View File

@ -20,7 +20,7 @@ along with GCC; see the file COPYING3. If not see
#include "config.h" #include "config.h"
#include "system.h" #include "system.h"
#include "coretypes.h" #include "coretypes.h"
#include "tm.h" /* For SHIFT_COUNT_TRUNCATED. */ #include "tm.h" /* For BITS_PER_UNIT and *_BIG_ENDIAN. */
#include "tree.h" #include "tree.h"
static int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT, static int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
@ -237,9 +237,6 @@ rshift_double (unsigned HOST_WIDE_INT l1, HOST_WIDE_INT h1,
? -((unsigned HOST_WIDE_INT) h1 >> (HOST_BITS_PER_WIDE_INT - 1)) ? -((unsigned HOST_WIDE_INT) h1 >> (HOST_BITS_PER_WIDE_INT - 1))
: 0); : 0);
if (SHIFT_COUNT_TRUNCATED)
count %= prec;
if (count >= HOST_BITS_PER_DOUBLE_INT) if (count >= HOST_BITS_PER_DOUBLE_INT)
{ {
/* Shifting by the host word size is undefined according to the /* Shifting by the host word size is undefined according to the
@ -295,9 +292,6 @@ lshift_double (unsigned HOST_WIDE_INT l1, HOST_WIDE_INT h1,
{ {
unsigned HOST_WIDE_INT signmask; unsigned HOST_WIDE_INT signmask;
if (SHIFT_COUNT_TRUNCATED)
count %= prec;
if (count >= HOST_BITS_PER_DOUBLE_INT) if (count >= HOST_BITS_PER_DOUBLE_INT)
{ {
/* Shifting by the host word size is undefined according to the /* Shifting by the host word size is undefined according to the