From a07c19158a3695623b979aef180ebe9cb03cc149 Mon Sep 17 00:00:00 2001 From: Jim Wilson Date: Fri, 5 Mar 1993 09:51:48 -0800 Subject: [PATCH] (output_function_prologue, output_function_epilogue): Add comments for frame_base_name usage in leaf_functions. From-SVN: r3657 --- gcc/config/sparc/sparc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 8c15009907f..2f41b9a1361 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]; -- 2.30.2