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| author | Steve Ellcey <sellcey@mips.com> | 2012-12-10 22:19:16 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2012-12-10 22:19:16 +0000 |
| commit | 2cd45f0e6826ddcc92216a508104b2802eddece3 (patch) | |
| tree | 163fb7c1ecdd76bc467cb24ccfc8f7a0280d9fc2 /gcc/dwarf2out.c | |
| parent | 4d63a95eecca6f1cce4c11a463108d741c630ff5 (diff) | |
| download | gcc-2cd45f0e6826ddcc92216a508104b2802eddece3.zip gcc-2cd45f0e6826ddcc92216a508104b2802eddece3.tar.gz gcc-2cd45f0e6826ddcc92216a508104b2802eddece3.tar.bz2 | |
re PR target/54061 (gcc.c-torture/compile/mipscop-*.c ICEs with -g)
2012-12-10 Steve Ellcey <sellcey@mips.com>
PR target/54061
rtl.h (IGNORED_DWARF_REGNUM): New.
* dwarf2out.c (reg_loc_descriptor): Check for IGNORED_DWARF_REGNUM.
(mem_loc_descriptor): Ditto.
* config/mips/mips.h (ALL_COP_REG_FIRST): New.
(ALL_COP_REG_LAST): New.
(ALL_COP_REG_NUM): Redefine using above macros.
* config/mips/mips.c (mips_option_override): Set mips_dbx_regno
coprocessor entries to IGNORED_DWARF_REGNUM.
From-SVN: r194372
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index f0256ae..c92fa4b 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10499,7 +10499,12 @@ reg_loc_descriptor (rtx rtl, enum var_init_status initialized) if (hard_regno_nregs[REGNO (rtl)][GET_MODE (rtl)] > 1 || regs) return multiple_reg_loc_descriptor (rtl, regs, initialized); else - return one_reg_loc_descriptor (dbx_reg_number (rtl), initialized); + { + unsigned int dbx_regnum = dbx_reg_number (rtl); + if (dbx_regnum == IGNORED_DWARF_REGNUM) + return 0; + return one_reg_loc_descriptor (dbx_regnum, initialized); + } } /* Return a location descriptor that designates a machine register for @@ -11926,6 +11931,7 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode, )) { dw_die_ref type_die; + unsigned int dbx_regnum; if (dwarf_strict) break; @@ -11935,8 +11941,12 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode, GET_MODE_CLASS (mode) == MODE_INT); if (type_die == NULL) break; + + dbx_regnum = dbx_reg_number (rtl); + if (dbx_regnum == IGNORED_DWARF_REGNUM) + break; mem_loc_result = new_loc_descr (DW_OP_GNU_regval_type, - dbx_reg_number (rtl), 0); + dbx_regnum, 0); mem_loc_result->dw_loc_oprnd2.val_class = dw_val_class_die_ref; mem_loc_result->dw_loc_oprnd2.v.val_die_ref.die = type_die; mem_loc_result->dw_loc_oprnd2.v.val_die_ref.external = 0; @@ -12138,9 +12148,13 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode, op0 = mem_loc_descriptor (ENTRY_VALUE_EXP (rtl), mode, VOIDmode, VAR_INIT_STATUS_INITIALIZED); else - op0 - = one_reg_loc_descriptor (dbx_reg_number (ENTRY_VALUE_EXP (rtl)), - VAR_INIT_STATUS_INITIALIZED); + { + unsigned int dbx_regnum = dbx_reg_number (ENTRY_VALUE_EXP (rtl)); + if (dbx_regnum == IGNORED_DWARF_REGNUM) + return NULL; + op0 = one_reg_loc_descriptor (dbx_regnum, + VAR_INIT_STATUS_INITIALIZED); + } } else if (MEM_P (ENTRY_VALUE_EXP (rtl)) && REG_P (XEXP (ENTRY_VALUE_EXP (rtl), 0))) |