aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/function.c10
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7ac9966..68fbfbd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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.
diff --git a/gcc/function.c b/gcc/function.c
index edf979f..a8ed54c 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -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));