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riscv-gcc-1
Commit 39fc3cc7 by Kazu Hirata Committed by Kazu Hirata
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* h8300.h (RETURN_ADDR_RTX): New. 

From-SVN: r45262
parent b3a68dba
Showing with 13 additions and 0 deletions
gcc/ChangeLog
2001-08-29 Kazu Hirata <kazu@hxi.com> 2001-08-29 Kazu Hirata <kazu@hxi.com>
* h8300.h (RETURN_ADDR_RTX): New.
2001-08-29 Kazu Hirata <kazu@hxi.com>
* h8300.md (movsi_h8300hs): Optimize loading of several * h8300.md (movsi_h8300hs): Optimize loading of several
special constants. special constants.
......
gcc/config/h8300/h8300.h
...@@ -495,6 +495,15 @@ enum reg_class { ...@@ -495,6 +495,15 @@ enum reg_class {
#define STARTING_FRAME_OFFSET 0 #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, /* If we generate an insn to push BYTES bytes,
this says how many the stack pointer really advances by. this says how many the stack pointer really advances by.
......
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