diff options
Diffstat (limited to 'gcc/config/microblaze/predicates.md')
| -rw-r--r-- | gcc/config/microblaze/predicates.md | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/gcc/config/microblaze/predicates.md b/gcc/config/microblaze/predicates.md index e6e99836024..5fd1bd40372 100644 --- a/gcc/config/microblaze/predicates.md +++ b/gcc/config/microblaze/predicates.md @@ -30,6 +30,52 @@ (and (match_code "const_int,const_double") (match_test "LARGE_INT (op)")))) +(define_predicate "arith_plus_operand" + (match_operand 0 "general_operand") +{ + switch (GET_CODE (op)) + { + default: + return 0; + case CONST_INT: + case REG: + return 1; + case SYMBOL_REF: + case LABEL_REF: + if (flag_pic || microblaze_tls_referenced_p(op)) + return 0; + return 1; + case CONST: + { + rtx const0; + const0 = XEXP (op, 0); + + switch (GET_CODE(const0)) + { + default: + return 0; + case UNSPEC : + return 1; + + case PLUS : + { + rtx p0, p1; + p0 = XEXP (const0, 0); + p1 = XEXP (const0, 1); + + if ((GET_CODE(p0) == SYMBOL_REF + || GET_CODE (p0) == LABEL_REF) + && GET_CODE(p1) == CONST_INT) + { + return arith_plus_operand (p0, GET_MODE(p0)); + } + } + } + } + } + return 0; +}) + (define_predicate "const_0_operand" (and (match_code "const_int,const_double") (match_test "op == CONST0_RTX (GET_MODE (op))"))) @@ -54,14 +100,21 @@ (match_test "GET_CODE (op) == REG || GET_CODE (op) == SYMBOL_REF || GET_CODE (op) == CONST_INT"))) ;; Return if OPERAND is valid as a source operand for a move instruction. -(define_predicate "move_operand" +(define_predicate "move_src_operand" (and ( not ( and (match_code "plus") (not (match_test "(GET_CODE (XEXP (op, 0)) == REG) ^ (GET_CODE (XEXP (op,1)) == REG)")) ) ) - (match_operand 0 "general_operand"))) + (match_operand 0 "general_operand")) +{ + if (microblaze_tls_referenced_p(op) + || (flag_pic && (symbol_mentioned_p(op) || label_mentioned_p(op)))) + return false; + + return true; +}) ;; Test for valid PIC call operand (define_predicate "call_insn_plt_operand" |