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function.c (diddle_return_value): Use hard_function_value to get an rtx suitable for use in the USE/CLOBBER insn.

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* function.c (diddle_return_value): Use hard_function_value to
        get an rtx suitable for use in the USE/CLOBBER insn.

From-SVN: r30494
This commit is contained in:
Jeffrey A Law 1999-11-12 03:46:21 +00:00 committed by Jeff Law
parent 35908e5588
commit d3f2edaeb9
2 changed files with 11 additions and 2 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
* function.c (diddle_return_value): Use hard_function_value to
get an rtx suitable for use in the USE/CLOBBER insn.
* global.c (global_conflicts): Update comments.
(record_conflicts): No need to record conflicts between pseudos here.

10
gcc/function.c
View File

@ -6200,10 +6200,16 @@ void
diddle_return_value (code)
enum rtx_code code;
{
rtx return_reg = DECL_RTL (DECL_RESULT (current_function_decl));
rtx return_reg;
tree decl_result = DECL_RESULT (current_function_decl);
if (return_reg)
if (DECL_RTL (decl_result))
{
/* 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));