2010-03-13 Segher Boessenkool <segher@kernel.crashing.org>

* config/tc-v850.c (v850_insert_operand): Handle out-of-range
        assembler constants on 64-bit hosts.
This commit is contained in:
Segher Boessenkool 2010-03-13 15:54:21 +00:00
parent 1c809c6883
commit dc86b458e9
2 changed files with 23 additions and 1 deletions

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@ -1,3 +1,8 @@
2010-03-13 Segher Boessenkool <segher@kernel.crashing.org>
* config/tc-v850.c (v850_insert_operand): Handle out-of-range
assembler constants on 64-bit hosts.
2010-03-10 Mike Frysinger <michael.frysinger@analog.com>
* bfin-defs.h, bfin-lex.l, bfin-parse.y, tc-bfin.c, tc-bfin.h:

View File

@ -1536,7 +1536,24 @@ v850_insert_operand (unsigned long insn,
min = 0;
}
if (val < (offsetT) min || val > (offsetT) max)
/* Some people write constants with the sign extension done by
hand but only up to 32 bits. This shouldn't really be valid,
but, to permit this code to assemble on a 64-bit host, we
sign extend the 32-bit value to 64 bits if so doing makes the
value valid. */
if (val > max
&& (offsetT) (val - 0x80000000 - 0x80000000) >= min
&& (offsetT) (val - 0x80000000 - 0x80000000) <= max)
val = val - 0x80000000 - 0x80000000;
/* Similarly, people write expressions like ~(1<<15), and expect
this to be OK for a 32-bit unsigned value. */
else if (val < min
&& (offsetT) (val + 0x80000000 + 0x80000000) >= min
&& (offsetT) (val + 0x80000000 + 0x80000000) <= max)
val = val + 0x80000000 + 0x80000000;
else if (val < (offsetT) min || val > (offsetT) max)
{
char buf [128];