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| author | Nick Clifton <nickc@redhat.com> | 2006-05-14 07:44:21 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2006-05-14 07:44:21 +0000 |
| commit | 834094639e76f3eb6930b68f86dbc59f7b1f6390 (patch) | |
| tree | 1b47169dc4d3107c9bf6a7bbd76f7edc2db65981 | |
| parent | 75c3fb73f0fa18d48b931ba23f046f5f2242d20a (diff) | |
| download | gcc-834094639e76f3eb6930b68f86dbc59f7b1f6390.zip gcc-834094639e76f3eb6930b68f86dbc59f7b1f6390.tar.gz gcc-834094639e76f3eb6930b68f86dbc59f7b1f6390.tar.bz2 | |
dwarf2out.c (dbx_reg_number): Check return value from LEAF_REG_REMAP and only use it if it is valid.
* dwarf2out.c (dbx_reg_number): Check return value from
LEAF_REG_REMAP and only use it if it is valid.
(multiple_reg_loc_descriptor): Likewise.
From-SVN: r113756
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 16 |
2 files changed, 20 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 329acdc..7a012fa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-05-13 Nick Clifton <nickc@redhat.com> + + * dwarf2out.c (dbx_reg_number): Check return value from + LEAF_REG_REMAP and only use it if it is valid. + (multiple_reg_loc_descriptor): Likewise. + 2006-05-13 Richard Guenther <rguenther@suse.de> * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 4ef7d02..accbd01 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -8477,7 +8477,13 @@ dbx_reg_number (rtx rtl) gcc_assert (regno < FIRST_PSEUDO_REGISTER); #ifdef LEAF_REG_REMAP - regno = LEAF_REG_REMAP (regno); + { + int leaf_reg; + + leaf_reg = LEAF_REG_REMAP (regno); + if (leaf_reg != -1) + regno = (unsigned) leaf_reg; + } #endif return DBX_REGISTER_NUMBER (regno); @@ -8546,7 +8552,13 @@ multiple_reg_loc_descriptor (rtx rtl, rtx regs) reg = REGNO (rtl); #ifdef LEAF_REG_REMAP - reg = LEAF_REG_REMAP (reg); + { + int leaf_reg; + + leaf_reg = LEAF_REG_REMAP (reg); + if (leaf_reg != -1) + reg = (unsigned) leaf_reg; + } #endif gcc_assert ((unsigned) DBX_REGISTER_NUMBER (reg) == dbx_reg_number (rtl)); nregs = hard_regno_nregs[REGNO (rtl)][GET_MODE (rtl)]; |