[PATCH 2/4] x86: Rewrite ix86_indirect_branch_register logic

H.J. Lu hjl.tools@gmail.com
Mon Jan 15 18:09:00 GMT 2018


Rewrite ix86_indirect_branch_register logic with

(and (not (match_test "ix86_indirect_branch_register"))
     (original condition before r256662))

	* config/i386/predicates.md (constant_call_address_operand):
	Rewrite ix86_indirect_branch_register logic.
	(sibcall_insn_operand): Likewise.
---
 gcc/config/i386/predicates.md | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md
index 64f13a01326..6ec7ff2e784 100644
--- a/gcc/config/i386/predicates.md
+++ b/gcc/config/i386/predicates.md
@@ -710,24 +710,22 @@
   (ior (match_test "constant_call_address_operand
 		     (op, mode == VOIDmode ? mode : Pmode)")
        (match_operand 0 "call_register_no_elim_operand")
-       (ior (and (not (match_test "TARGET_X32
-				   || ix86_indirect_branch_register"))
-		 (match_operand 0 "memory_operand"))
-	    (and (match_test "TARGET_X32 && Pmode == DImode
-			      && !ix86_indirect_branch_register")
-		 (match_operand 0 "GOT_memory_operand")))))
+       (and (not (match_test "ix86_indirect_branch_register"))
+	    (ior (and (not (match_test "TARGET_X32"))
+		      (match_operand 0 "memory_operand"))
+		 (and (match_test "TARGET_X32 && Pmode == DImode")
+		      (match_operand 0 "GOT_memory_operand"))))))
 
 ;; Similarly, but for tail calls, in which we cannot allow memory references.
 (define_special_predicate "sibcall_insn_operand"
   (ior (match_test "constant_call_address_operand
 		     (op, mode == VOIDmode ? mode : Pmode)")
        (match_operand 0 "register_no_elim_operand")
-       (ior (and (not (match_test "TARGET_X32
-				   || ix86_indirect_branch_register"))
-		 (match_operand 0 "sibcall_memory_operand"))
-	    (and (match_test "TARGET_X32 && Pmode == DImode
-			      && !ix86_indirect_branch_register")
-		 (match_operand 0 "GOT_memory_operand")))))
+       (and (not (match_test "ix86_indirect_branch_register"))
+	    (ior (and (not (match_test "TARGET_X32"))
+		      (match_operand 0 "sibcall_memory_operand"))
+		 (and (match_test "TARGET_X32 && Pmode == DImode")
+		      (match_operand 0 "GOT_memory_operand"))))))
 
 ;; Return true if OP is a 32-bit GOT symbol operand.
 (define_predicate "GOT32_symbol_operand"
-- 
2.14.3



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