diff options
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index e6e5c14..c26742d 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -585,6 +585,7 @@ rtx_equal_for_cselib_p (rtx x, rtx y) { case CONST_DOUBLE: case CONST_FIXED: + case DEBUG_EXPR: return 0; case LABEL_REF: @@ -703,6 +704,10 @@ cselib_hash_rtx (rtx x, int create) return e->value; + case DEBUG_EXPR: + hash += ((unsigned) DEBUG_EXPR << 7) + DEBUG_TEMP_UID (XTREE (x, 0)); + return hash ? hash : (unsigned int) DEBUG_EXPR; + case CONST_INT: hash += ((unsigned) CONST_INT << 7) + INTVAL (x); return hash ? hash : (unsigned int) CONST_INT; @@ -1213,6 +1218,13 @@ cselib_expand_value_rtx_1 (rtx orig, struct expand_value_data *evd, result = expand_loc (CSELIB_VAL_PTR (orig)->locs, evd, max_depth); return result; } + + case DEBUG_EXPR: + if (evd->callback) + return evd->callback (orig, evd->regs_active, max_depth, + evd->callback_arg); + return orig; + default: break; } |