From 885fe07c5cdea5be07111769240f07313c791560 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 11 Jan 2011 10:11:07 -0800 Subject: [PATCH] mn10300: Better definition of INCOMING_RETURN_ADDR_RTX. The new definition is more useful to the unwinder. From-SVN: r168668 --- gcc/ChangeLog | 5 +++++ gcc/config/mn10300/mn10300.h | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c42fabc950..515038df068 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-01-11 Richard Henderson + + * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define + in terms of the value on the stack, not the MDR register. + 2011-01-11 Jan Hubicka PR lto/45721 diff --git a/gcc/config/mn10300/mn10300.h b/gcc/config/mn10300/mn10300.h index 67516b6ebe4..edc17f594da 100644 --- a/gcc/config/mn10300/mn10300.h +++ b/gcc/config/mn10300/mn10300.h @@ -548,7 +548,10 @@ struct cum_arg ? gen_rtx_MEM (Pmode, arg_pointer_rtx) \ : (rtx) 0) -#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, MDR_REGNUM) +/* The return address is saved both in the stack and in MDR. Using + the stack location is handiest for what unwinding needs. */ +#define INCOMING_RETURN_ADDR_RTX \ + gen_rtx_MEM (VOIDmode, gen_rtx_REG (VOIDmode, STACK_POINTER_REGNUM)) /* Maximum number of registers that can appear in a valid memory address. */ -- 2.30.2