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h8300.c (dosize): Don't clobber the static chain register if it's needed by the current function.

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* h8300/h8300.c (dosize): Don't clobber the static chain
        register if it's needed by the current function.

From-SVN: r13158
This commit is contained in:
Jeff Law 1996-11-14 17:26:51 -07:00
parent 8762df1689
commit bc8c93e480
1 changed files with 21 additions and 1 deletions
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22
gcc/config/h8300/h8300.c
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@ -170,7 +170,27 @@ dosize (file, op, size)
break;
default:
if (TARGET_H8300)
fprintf (file, "\tmov.w\t#%d,r3\n\t%s.w\tr3,sp\n", size, op);
{
if (current_function_needs_context
&& strcmp (op, "sub") == 0)
{
/* Egad. We don't have a temporary to hold the
size of the frame in the prologue! Just inline
the bastard since this shouldn't happen often. */
while (size >= 2)
{
fprintf (file, "\tsubs\t#2,sp\n");
size -= 2;
}
if (size)
fprintf (file, "\tsubs\t#1,sp\n");
size = 0;
}
else
fprintf (file, "\tmov.w\t#%d,r3\n\t%s.w\tr3,sp\n", size, op);
}
else
fprintf (file, "\t%s\t#%d,sp\n", op, size);
size = 0;