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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/expmed.c11
2 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc7f1af..0eb112f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2013-09-09 Richard Sandiford <rdsandiford@googlemail.com>
+ * expmed.c (lshift_value): Take an unsigned HOST_WIDE_INT instead
+ of an rtx/bitpos pair.
+ (store_fixed_bit_field): Update accordingly.
+
+2013-09-09 Richard Sandiford <rdsandiford@googlemail.com>
+
* asan.c (asan_emit_stack_protection): Use gen_int_mode instead of
GEN_INT.
* builtins.c (expand_errno_check): Likewise.
diff --git a/gcc/expmed.c b/gcc/expmed.c
index 747231f..ba9a7b6 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -56,7 +56,7 @@ static rtx extract_fixed_bit_field (enum machine_mode, rtx,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT, rtx, int, bool);
static rtx mask_rtx (enum machine_mode, int, int, int);
-static rtx lshift_value (enum machine_mode, rtx, int, int);
+static rtx lshift_value (enum machine_mode, unsigned HOST_WIDE_INT, int);
static rtx extract_split_bit_field (rtx, unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT, int);
static void do_cmp_and_jump (rtx, rtx, enum rtx_code, enum machine_mode, rtx);
@@ -991,7 +991,7 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize,
|| (bitsize == HOST_BITS_PER_WIDE_INT && v == -1))
all_one = 1;
- value = lshift_value (mode, value, bitnum, bitsize);
+ value = lshift_value (mode, v, bitnum);
}
else
{
@@ -1862,14 +1862,15 @@ mask_rtx (enum machine_mode mode, int bitpos, int bitsize, int complement)
}
/* Return a constant integer (CONST_INT or CONST_DOUBLE) rtx with the value
- VALUE truncated to BITSIZE bits and then shifted left BITPOS bits. */
+ VALUE << BITPOS. */
static rtx
-lshift_value (enum machine_mode mode, rtx value, int bitpos, int bitsize)
+lshift_value (enum machine_mode mode, unsigned HOST_WIDE_INT value,
+ int bitpos)
{
double_int val;
- val = double_int::from_uhwi (INTVAL (value)).zext (bitsize);
+ val = double_int::from_uhwi (value);
val = val.llshift (bitpos, HOST_BITS_PER_DOUBLE_INT);
return immed_double_int_const (val, mode);