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function.c (diddle_return_value): Only clal hard_function_value when the return value is supposed to be in a register. 

* function.c (diddle_return_value): Only clal hard_function_value
        when the return value is supposed to be in a register.

From-SVN: r30497
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Jeffrey A Law 1999-11-12 07:38:32 +00:00 committed by Jeff Law
parent d5e3f1513f
commit cfb0346d03
2 changed files with 12 additions and 8 deletions
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3
gcc/ChangeLog
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@ -7,6 +7,9 @@ Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
* function.c (diddle_return_value): Put back check that the DECL_RTL
for the function is a register.
* function.c (diddle_return_value): Use hard_function_value to
get an rtx suitable for use in the USE/CLOBBER insn.

17
gcc/function.c
View File

@ -6200,19 +6200,20 @@ void
diddle_return_value (code)
enum rtx_code code;
{
rtx return_reg;
tree decl_result = DECL_RESULT (current_function_decl);
rtx return_reg = DECL_RTL (decl_result);
if (DECL_RTL (decl_result))
if (return_reg)
{
/* Use hard_function_value to avoid creating a reference to a BLKmode
register in the USE/CLOBBER insn. */
return_reg = hard_function_value (TREE_TYPE (decl_result),
current_function_decl);
if (GET_CODE (return_reg) == REG
&& REGNO (return_reg) < FIRST_PSEUDO_REGISTER)
emit_insn (gen_rtx_fmt_e (code, VOIDmode, return_reg));
{
/* Use hard_function_value to avoid creating a reference to a BLKmode
register in the USE/CLOBBER insn. */
return_reg = hard_function_value (TREE_TYPE (decl_result),
current_function_decl);
emit_insn (gen_rtx_fmt_e (code, VOIDmode, return_reg));
}
else if (GET_CODE (return_reg) == PARALLEL)
{
int i;