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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-12-08 18:47:54 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-12-08 18:47:54 +0000 |
| commit | 3809b03c4f968d2b77117684da0c4af9d256d137 (patch) | |
| tree | 2cd69c5e36666ee9b948247a6efa48eef6cbc59d /gcc/cfgexpand.c | |
| parent | 2642acab2986f8ad63b82c0a583b43df9bbb816b (diff) | |
| download | gcc-3809b03c4f968d2b77117684da0c4af9d256d137.tar.gz | |
PR middle-end/68291
PR middle-end/68292
* cfgexpand.c (set_rtl): Always accept mode mismatch for SSA names
with BLKmode promoted mode based on RESULT_DECLs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231422 138bc75d-0d04-0410-961f-82ee72b054a4
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)); |