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Update the the macro SHIFT_COUNT_TRUNCATED for loongson.

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From-SVN: r168364
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Mingjie Xing 2010-12-31 10:18:45 +00:00 committed by Mingjie Xing
parent 4fa0269222
commit 1f5f063d32
3 changed files with 9 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-12-30 Mingjie Xing <mingjie.xing@gmail.com>
* config/mips/mips.h (SHIFT_COUNT_TRUNCATED): Change
TARGET_LOONGSON_2EF to TARGET_LOONGSON_VECTORS.
* config/mips/mips.c (mips_shift_truncation_mask): Likewise.
2010-12-30 Joseph Myers <joseph@codesourcery.com>
* config/openbsd.opt: New.

4
gcc/config/mips/mips.c
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@ -16386,12 +16386,12 @@ void mips_function_profiler (FILE *file)
/* Implement TARGET_SHIFT_TRUNCATION_MASK. We want to keep the default
behaviour of TARGET_SHIFT_TRUNCATION_MASK for non-vector modes even
when TARGET_LOONGSON_2EF is true. */
when TARGET_LOONGSON_VECTORS is true. */
static unsigned HOST_WIDE_INT
mips_shift_truncation_mask (enum machine_mode mode)
{
if (TARGET_LOONGSON_2EF && VECTOR_MODE_P (mode))
if (TARGET_LOONGSON_VECTORS && VECTOR_MODE_P (mode))
return 0;
return GET_MODE_BITSIZE (mode) - 1;

2
gcc/config/mips/mips.h
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@ -2421,7 +2421,7 @@ typedef struct mips_args {
/* Standard MIPS integer shifts truncate the shift amount to the
width of the shifted operand. However, Loongson vector shifts
do not truncate the shift amount at all. */
#define SHIFT_COUNT_TRUNCATED (!TARGET_LOONGSON_2EF)
#define SHIFT_COUNT_TRUNCATED (!TARGET_LOONGSON_VECTORS)
/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
is done just by pretending it is already truncated. */