diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/function.c | 10 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74607e58..2cef2e9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -18,6 +18,10 @@ an old insn, ignore a use that occurs after store_ruid. * Makefile.in (postreload.o): Update dependencies. + * function.c (record_hard_reg_sets): Restrict the previous change + to cases where the incoming nominal mode is the same as the + incoming promoted mode and everything happens in MODE_INT. + 2010-07-21 Jakub Jelinek <jakub@redhat.com> PR debug/45015 diff --git a/gcc/function.c b/gcc/function.c index 74672c3..5a308f4 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2918,7 +2918,10 @@ assign_parm_setup_reg (struct assign_parm_data_all *all, tree parm, || promoted_nominal_mode != data->promoted_mode); moved = false; - if (need_conversion) + if (need_conversion + && GET_MODE_CLASS (data->nominal_mode) == MODE_INT + && data->nominal_mode == data->passed_mode + && data->nominal_mode == GET_MODE (data->entry_parm)) { /* ENTRY_PARM has been converted to PROMOTED_MODE, its mode, by the caller. We now have to convert it to @@ -2979,8 +2982,9 @@ assign_parm_setup_reg (struct assign_parm_data_all *all, tree parm, if (moved) { emit_insn (insns); - equiv_stack_parm = gen_rtx_fmt_e (code, GET_MODE (parmreg), - equiv_stack_parm); + if (equiv_stack_parm != NULL_RTX) + equiv_stack_parm = gen_rtx_fmt_e (code, GET_MODE (parmreg), + equiv_stack_parm); } } } |