From 39fc3cc7785b6e38cad746fdb449cc67a0929a06 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Wed, 29 Aug 2001 16:04:13 +0000 Subject: [PATCH] * h8300.h (RETURN_ADDR_RTX): New. From-SVN: r45262 --- gcc/ChangeLog | 4 ++++ gcc/config/h8300/h8300.h | 9 +++++++++ 2 files changed, 13 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f245fa60c18c..796b2080944d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-08-29 Kazu Hirata + + * h8300.h (RETURN_ADDR_RTX): New. + 2001-08-29 Kazu Hirata * h8300.md (movsi_h8300hs): Optimize loading of several diff --git a/gcc/config/h8300/h8300.h b/gcc/config/h8300/h8300.h index dc7a8ace768e..ea1d3e8df0a8 100644 --- a/gcc/config/h8300/h8300.h +++ b/gcc/config/h8300/h8300.h @@ -495,6 +495,15 @@ enum reg_class { #define STARTING_FRAME_OFFSET 0 +/* We do not know if the caller has a frame pointer, so we cannot go + beyond level 0. */ + +#define RETURN_ADDR_RTX(COUNT, FRAME) \ + ((COUNT) == 0 \ + ? gen_rtx_MEM (Pmode, \ + plus_constant (arg_pointer_rtx, -GET_MODE_SIZE (Pmode))) \ + : 0) + /* If we generate an insn to push BYTES bytes, this says how many the stack pointer really advances by. -- 2.47.2