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| author | Jim Wilson <wilson@gcc.gnu.org> | 1993-03-05 09:51:48 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1993-03-05 09:51:48 -0800 |
| commit | a07c19158a3695623b979aef180ebe9cb03cc149 (patch) | |
| tree | 3a3a9d1059e7747692447cd547dd6636e27c1e41 | |
| parent | 238a185624470bfbb661af1de3078b1e31888dd7 (diff) | |
| download | gcc-a07c19158a3695623b979aef180ebe9cb03cc149.zip gcc-a07c19158a3695623b979aef180ebe9cb03cc149.tar.gz gcc-a07c19158a3695623b979aef180ebe9cb03cc149.tar.bz2 | |
(output_function_prologue, output_function_epilogue):
Add comments for frame_base_name usage in leaf_functions.
From-SVN: r3657
| -rw-r--r-- | gcc/config/sparc/sparc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 8c15009..2f41b9a 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -2083,6 +2083,8 @@ output_function_prologue (file, size, leaf_function) int size; int leaf_function; { + /* ??? This should be %sp+actual_fsize for a leaf function. I think it + works only because it is never used. */ if (leaf_function) frame_base_name = "%sp+80"; else @@ -2143,6 +2145,7 @@ output_function_prologue (file, size, leaf_function) { int offset, n_fregs = num_fregs; + /* ??? This should always be -apparent_fsize. */ if (! leaf_function) offset = -apparent_fsize; else @@ -2186,6 +2189,7 @@ output_function_epilogue (file, size, leaf_function) { int offset, n_fregs = num_fregs; + /* ??? This should always be -apparent_fsize. */ if (! leaf_function) offset = -apparent_fsize; else @@ -3294,6 +3298,9 @@ sparc_frw_output_function_prologue (file, size, ignored) extern char call_used_regs[]; int tsize; char *sp_str = reg_names[STACK_POINTER_REGNUM]; + + /* ??? This should be %sp+actual_fsize for a leaf function. I think it + works only because it is never used. */ frame_base_name = (!frame_pointer_needed) ? "%sp+80" : reg_names[FRAME_POINTER_REGNUM]; |