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Allow arg_pointer_rtx/frame_pointer_rtx for based_loc_descr

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gcc/

	PR debug/52857
	* dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and
	frame_pointer_rtx for based_loc_descr.

gcc/testsuite/

	PR debug/52857
	* gcc.target/i386/pr52857-1.c: New.
	* gcc.target/i386/pr52857-2.c: Likewise.

From-SVN: r190647
This commit is contained in:
H.J. Lu 2012-08-24 13:21:55 +00:00 committed by H.J. Lu
parent 4aeaaca35f
commit a9b94d0dd9
5 changed files with 35 additions and 1 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2012-08-24 H.J. Lu <hongjiu.lu@intel.com>
PR debug/52857
* dwarf2out.c (mem_loc_descriptor): Allow arg_pointer_rtx and
frame_pointer_rtx for based_loc_descr.
2012-08-24 Martin Jambor <mjambor@suse.cz>
* predict.c (maybe_hot_frequency_p): New parameter fun. Use its decl

6
gcc/dwarf2out.c
View File

@ -11253,6 +11253,8 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
case REG:
if (GET_MODE_CLASS (mode) != MODE_INT
|| (GET_MODE_SIZE (mode) > DWARF2_ADDR_SIZE
&& rtl != arg_pointer_rtx
&& rtl != frame_pointer_rtx
#ifdef POINTERS_EXTEND_UNSIGNED
&& (mode != Pmode || mem_mode == VOIDmode)
#endif
@ -11525,7 +11527,9 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
case PLUS:
plus:
if (is_based_loc (rtl)
&& GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE
&& (GET_MODE_SIZE (mode) <= DWARF2_ADDR_SIZE
|| XEXP (rtl, 0) == arg_pointer_rtx
|| XEXP (rtl, 0) == frame_pointer_rtx)
&& GET_MODE_CLASS (mode) == MODE_INT)
mem_loc_result = based_loc_descr (XEXP (rtl, 0),
INTVAL (XEXP (rtl, 1)),

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2012-08-24 H.J. Lu <hongjiu.lu@intel.com>
PR debug/52857
* gcc.target/i386/pr52857-1.c: New.
* gcc.target/i386/pr52857-2.c: Likewise.
2012-08-23 Richard Sandiford <rdsandiford@googlemail.com>
* gcc.target/mips/code-readable-4.c: New test.

10
gcc/testsuite/gcc.target/i386/pr52857-1.c Normal file
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@ -0,0 +1,10 @@
/* { dg-do compile { target { ! { ia32 } } } } */
/* { dg-options "-g -O -mx32 -maddress-mode=long" } */
extern void get_BID128 (int *);
void
__bid128_div (void)
{
int res;
get_BID128 (&res);
}

8
gcc/testsuite/gcc.target/i386/pr52857-2.c Normal file
View File

@ -0,0 +1,8 @@
/* { dg-do compile { target { ! { ia32 } } } } */
/* { dg-options "-g -O -mx32 -maddress-mode=long" } */
void uw_init_context_1 (void *);
void _Unwind_ForcedUnwind (void)
{
uw_init_context_1 (__builtin_dwarf_cfa ());
}