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| author | Bernardo Innocenti <bernie@develer.com> | 2003-09-09 08:40:46 +0200 |
|---|---|---|
| committer | Bernardo Innocenti <bernie@gcc.gnu.org> | 2003-09-09 08:40:46 +0200 |
| commit | ed311a33ac239b2a754e1adbbde6479c6b148f20 (patch) | |
| tree | ff876de98ee6dafb2349d0402f6841703f14d69e | |
| parent | e517f636177b2379b1bd805efac97601f96062fc (diff) | |
| download | gcc-ed311a33ac239b2a754e1adbbde6479c6b148f20.zip gcc-ed311a33ac239b2a754e1adbbde6479c6b148f20.tar.gz gcc-ed311a33ac239b2a754e1adbbde6479c6b148f20.tar.bz2 | |
m68k.c (m68k_output_function_prologue): Simplify by removing redundant variable cfa_store_offset.
* config/m68k/m68k.c (m68k_output_function_prologue): Simplify
by removing redundant variable cfa_store_offset.
From-SVN: r71230
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.c | 38 |
2 files changed, 18 insertions, 25 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b16092f..bd9c479 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-09-08 Bernardo Innocenti <bernie@develer.com> + + * config/m68k/m68k.c (m68k_output_function_prologue): Simplify + by removing redundant variable cfa_store_offset. + 2003-09-08 Mark Mitchell <mark@codesourcery.com> * langhooks-def.h (lhd_register_builtin_type): New function. diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 8cd6d6c..ccdedce 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -262,7 +262,6 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) int num_saved_regs = 0; HOST_WIDE_INT fsize = (size + 3) & -4; HOST_WIDE_INT cfa_offset = INCOMING_FRAME_SP_OFFSET; - HOST_WIDE_INT cfa_store_offset = cfa_offset; /* If the stack limit is a symbol, we can check it here, before actually allocating the space. */ @@ -330,11 +329,10 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) { char *l; l = (char *) dwarf2out_cfi_label (); - cfa_store_offset += 4; - cfa_offset = cfa_store_offset; - dwarf2out_reg_save (l, FRAME_POINTER_REGNUM, -cfa_store_offset); + cfa_offset += 4; + dwarf2out_reg_save (l, FRAME_POINTER_REGNUM, -cfa_offset); dwarf2out_def_cfa (l, FRAME_POINTER_REGNUM, cfa_offset); - cfa_store_offset += fsize; + cfa_offset += fsize; } } else if (fsize) @@ -406,8 +404,7 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) } if (dwarf2out_do_frame ()) { - cfa_store_offset += fsize + 4; - cfa_offset = cfa_store_offset; + cfa_offset += fsize + 4; dwarf2out_def_cfa ("", STACK_POINTER_REGNUM, cfa_offset); } } @@ -431,16 +428,13 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) char *l = (char *) dwarf2out_cfi_label (); int n_regs; - cfa_store_offset += num_saved_regs * 12; + cfa_offset += num_saved_regs * 12; if (! frame_pointer_needed) - { - cfa_offset = cfa_store_offset; - dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); - } + dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); for (regno = 16, n_regs = 0; regno < 24; regno++) if (mask & (1 << (regno - 16))) dwarf2out_reg_save (l, regno, - -cfa_store_offset + n_regs++ * 12); + -cfa_offset + n_regs++ * 12); } } mask = 0; @@ -495,13 +489,10 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) { char *l = (char *) dwarf2out_cfi_label (); - cfa_store_offset += 4; + cfa_offset += 4; if (! frame_pointer_needed) - { - cfa_offset = cfa_store_offset; - dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); - } - dwarf2out_reg_save (l, 15 - i, -cfa_store_offset); + dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); + dwarf2out_reg_save (l, 15 - i, -cfa_offset); } } } @@ -547,16 +538,13 @@ m68k_output_function_prologue (FILE *stream, HOST_WIDE_INT size) char *l = (char *) dwarf2out_cfi_label (); int n_regs; - cfa_store_offset += num_saved_regs * 4; + cfa_offset += num_saved_regs * 4; if (! frame_pointer_needed) - { - cfa_offset = cfa_store_offset; - dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); - } + dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset); for (regno = 0, n_regs = 0; regno < 16; regno++) if (mask & (1 << (15 - regno))) dwarf2out_reg_save (l, regno, - -cfa_store_offset + n_regs++ * 4); + -cfa_offset + n_regs++ * 4); } } if (flag_pic && current_function_uses_pic_offset_table) |