diff options
| author | Georg-Johann Lay <avr@gjlay.de> | 2011-06-10 11:06:36 +0000 |
|---|---|---|
| committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2011-06-10 11:06:36 +0000 |
| commit | 3f5ea9dc58907a2d3898ac666572c103d46aa917 (patch) | |
| tree | f453b18df2d8d9d94c8fca0330d394f929a12849 /gcc | |
| parent | b11b09048dcd08782578c7c34456e51aa408b1a9 (diff) | |
| download | gcc-3f5ea9dc58907a2d3898ac666572c103d46aa917.zip gcc-3f5ea9dc58907a2d3898ac666572c103d46aa917.tar.gz gcc-3f5ea9dc58907a2d3898ac666572c103d46aa917.tar.bz2 | |
avr.c (avr_function_arg_advance): Fix thinko about when a value is actually passed in regs.
* config/avr/avr.c (avr_function_arg_advance): Fix thinko about
when a value is actually passed in regs.
From-SVN: r174898
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/avr/avr.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8fb1ad9..0c18e05 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-06-10 Georg-Johann Lay <avr@gjlay.de> + + * config/avr/avr.c (avr_function_arg_advance): Fix thinko about + when a value is actually passed in regs. + 2011-06-10 Eric Botcazou <ebotcazou@adacore.com> Laurent Rougé <laurent.rouge@menta.fr> diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c index 5a565b0..aadfd24 100644 --- a/gcc/config/avr/avr.c +++ b/gcc/config/avr/avr.c @@ -1784,7 +1784,8 @@ avr_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode, a function must not pass arguments in call-saved regs in order to get tail-called. */ - if (cum->regno >= 0 + if (cum->regno >= 8 + && cum->nregs >= 0 && !call_used_regs[cum->regno]) { /* FIXME: We ship info on failing tail-call in struct machine_function. @@ -1800,7 +1801,8 @@ avr_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode, user has fixed a GPR needed to pass an argument, an (implicit) function call would clobber that fixed register. See PR45099 for an example. */ - if (cum->regno >= 0) + if (cum->regno >= 8 + && cum->nregs >= 0) { int regno; |