From dbb9443595084d94c8e785f4d86d1c72d1b72f96 Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Wed, 21 Jul 2010 22:51:13 +0000 Subject: [PATCH] function.c (record_hard_reg_sets): Restrict the previous change to cases where the incoming nominal mode is the... * 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. From-SVN: r162391 --- gcc/ChangeLog | 4 ++++ gcc/function.c | 10 +++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74607e5839b..2cef2e9948d 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 PR debug/45015 diff --git a/gcc/function.c b/gcc/function.c index 74672c38249..5a308f44505 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); } } } -- 2.30.2