OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

rtl.h (gen_frame_mem, [...]): Declare.

Browse Source 
* rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
	* emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
	* builtins.c (expand_builtin_return_addr): Use gen_frame_mem.

From-SVN: r103917
This commit is contained in:
J"orn Rennecke 2005-09-05 16:45:20 +00:00 committed by Joern Rennecke
parent 8b0a8500fd
commit bf877a7649
4 changed files with 35 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
* rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
* emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
* builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
PR target/23683
@ -39,12 +45,6 @@
* config/arm/arm.c (arm_legitimize_address): Limit the value passed
to bit_count to 32 bits.
2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
* rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
* emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
* builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2005-08-31 Mark Mitchell <mark@codesourcery.com>
PR c++/23167

6
gcc/builtins.c
View File

@ -529,8 +529,7 @@ expand_builtin_return_addr (enum built_in_function fndecl_code, int count)
tem = DYNAMIC_CHAIN_ADDRESS (tem);
#endif
tem = memory_address (Pmode, tem);
tem = gen_rtx_MEM (Pmode, tem);
set_mem_alias_set (tem, get_frame_alias_set ());
tem = gen_frame_mem (Pmode, tem);
tem = copy_to_reg (tem);
}
@ -545,8 +544,7 @@ expand_builtin_return_addr (enum built_in_function fndecl_code, int count)
#else
tem = memory_address (Pmode,
plus_constant (tem, GET_MODE_SIZE (Pmode)));
tem = gen_rtx_MEM (Pmode, tem);
set_mem_alias_set (tem, get_frame_alias_set ());
tem = gen_frame_mem (Pmode, tem);
#endif
return tem;
}

25
gcc/emit-rtl.c
View File

@ -607,6 +607,31 @@ gen_const_mem (enum machine_mode mode, rtx addr)
return mem;
}
/* Generate a MEM referring to fixed portions of the frame, e.g., register
save areas. */
rtx
gen_frame_mem (enum machine_mode mode, rtx addr)
{
rtx mem = gen_rtx_MEM (mode, addr);
MEM_NOTRAP_P (mem) = 1;
set_mem_alias_set (mem, get_frame_alias_set ());
return mem;
}
/* Generate a MEM referring to a temporary use of the stack, not part
of the fixed stack frame. For example, something which is pushed
by a target splitter. */
rtx
gen_tmp_stack_mem (enum machine_mode mode, rtx addr)
{
rtx mem = gen_rtx_MEM (mode, addr);
MEM_NOTRAP_P (mem) = 1;
if (!current_function_calls_alloca)
set_mem_alias_set (mem, get_frame_alias_set ());
return mem;
}
/* We want to create (subreg:OMODE (obj:IMODE) OFFSET). Return true if
this construct would be valid, and false otherwise. */

2
gcc/rtl.h
View File

@ -1964,6 +1964,8 @@ extern rtx delete_insn_and_edges (rtx);
extern void delete_insn_chain_and_edges (rtx, rtx);
extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
extern rtx gen_const_mem (enum machine_mode, rtx);
extern rtx gen_frame_mem (enum machine_mode, rtx);
extern rtx gen_tmp_stack_mem (enum machine_mode, rtx);
extern bool validate_subreg (enum machine_mode, enum machine_mode,
rtx, unsigned int);