diff options
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 5338c251b46..7fe02a900bc 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -203,11 +203,14 @@ set_rtl (tree t, rtx x) PARM_DECLs and RESULT_DECLs, we'll have been called by set_parm_rtl, which will give us the default def, so we don't have to compute it ourselves. For RESULT_DECLs, we accept mode - mismatches too, as long as we're not coalescing across variables, - so that we don't reject BLKmode PARALLELs or unpromoted REGs. */ + mismatches too, as long as we have BLKmode or are not coalescing + across variables, so that we don't reject BLKmode PARALLELs or + unpromoted REGs. */ gcc_checking_assert (!x || x == pc_rtx || TREE_CODE (t) != SSA_NAME - || (SSAVAR (t) && TREE_CODE (SSAVAR (t)) == RESULT_DECL - && !flag_tree_coalesce_vars) + || (SSAVAR (t) + && TREE_CODE (SSAVAR (t)) == RESULT_DECL + && (promote_ssa_mode (t, NULL) == BLKmode + || !flag_tree_coalesce_vars)) || !use_register_for_decl (t) || GET_MODE (x) == promote_ssa_mode (t, NULL)); |