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| author | J"orn Rennecke <joern.rennecke@st.com> | 2005-09-05 16:45:20 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2005-09-05 17:45:20 +0100 |
| commit | bf877a7649b686fd19a4384c137357a0ca697931 (patch) | |
| tree | 159440e0f5720f60d1900ef723f6d1455a729b10 /gcc | |
| parent | 8b0a8500fdc6b09d5b3d78d394d4d189571f9cb5 (diff) | |
| download | gcc-bf877a7649b686fd19a4384c137357a0ca697931.zip gcc-bf877a7649b686fd19a4384c137357a0ca697931.tar.gz gcc-bf877a7649b686fd19a4384c137357a0ca697931.tar.bz2 | |
rtl.h (gen_frame_mem, [...]): Declare.
* 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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/builtins.c | 6 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 25 | ||||
| -rw-r--r-- | gcc/rtl.h | 2 |
4 files changed, 35 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 53a36c8..15f810d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 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 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem. (output_stack_adjust): Use gen_tmp_stack_mem. @@ -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 diff --git a/gcc/builtins.c b/gcc/builtins.c index da8c1d4..246bcaa 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -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; } diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index d9e253e..53bff45 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -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. */ @@ -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); |