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One more POINTERS_EXTEND_UNSIGNED fix in mem_loc_descriptor.

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2011-05-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR debug/48853
	* dwarf2out.c (mem_loc_descriptor) <case SUBREG>: If
	POINTERS_EXTEND_UNSIGNED is defined, don't give up if mode is
	Pmode and mem_mode is not VOIDmode.

From-SVN: r173587
This commit is contained in:
H.J. Lu 2011-05-09 18:16:04 +00:00 committed by H.J. Lu
parent 14d0f7d244
commit 805d6a7592
2 changed files with 12 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-05-09 H.J. Lu <hongjiu.lu@intel.com>
PR debug/48853
* dwarf2out.c (mem_loc_descriptor) <case SUBREG>: If
POINTERS_EXTEND_UNSIGNED is defined, don't give up if mode is
Pmode and mem_mode is not VOIDmode.
2011-05-08 Ville Voutilainen <ville.voutilainen@gmail.com>
* tree.h (TYPE_UNQUALIFIED, TYPE_QUAL_CONST): Convert to enum.

6
gcc/dwarf2out.c
View File

@ -13880,7 +13880,11 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
break;
if (GET_MODE_CLASS (mode) == MODE_INT
&& GET_MODE_CLASS (GET_MODE (SUBREG_REG (rtl))) == MODE_INT
&& GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE
&& (GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE
#ifdef POINTERS_EXTEND_UNSIGNED
|| (mode == Pmode && mem_mode != VOIDmode)
#endif
)
&& GET_MODE_SIZE (GET_MODE (SUBREG_REG (rtl))) <= DWARF2_ADDR_SIZE)
{
mem_loc_result = mem_loc_descriptor (SUBREG_REG (rtl),