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2012-02-20 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/arm/arm.c (arm_print_operand): Avoid null-pointer
dereference from MEM_SIZE.
=== modified file 'gcc/config/arm/arm.c'
--- old/gcc/config/arm/arm.c 2012-02-09 00:47:59 +0000
+++ new/gcc/config/arm/arm.c 2012-02-20 15:32:26 +0000
@@ -17446,6 +17446,7 @@
rtx addr;
bool postinc = FALSE;
unsigned align, memsize, align_bits;
+ rtx memsize_rtx;
gcc_assert (GET_CODE (x) == MEM);
addr = XEXP (x, 0);
@@ -17460,7 +17461,8 @@
instruction (for some alignments) as an aid to the memory subsystem
of the target. */
align = MEM_ALIGN (x) >> 3;
- memsize = INTVAL (MEM_SIZE (x));
+ memsize_rtx = MEM_SIZE (x);
+ memsize = memsize_rtx ? INTVAL (memsize_rtx) : 0;
/* Only certain alignment specifiers are supported by the hardware. */
if (memsize == 16 && (align % 32) == 0)
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