amd64: Set the input requirements in the xmm case of the sub-to-neg+add transformation, too.

ir/be/amd64/amd64_finish.c

@@ -92,6 +92,7 @@ static void transform_sub_to_neg_add(ir_node *node,
 		ir_node *xor_in[] = { in2 };
 		ir_node *xor = new_bd_amd64_xorp(dbgi, block, ARRAY_SIZE(xor_in),
 		                                 xor_in, &xor_attr);
+		arch_set_irn_register_reqs_in(xor, amd64_xmm_reqs);
 		ir_node *neg = new_r_Proj(xor, amd64_mode_xmm, pn_amd64_xorp_res);
 
 		sched_add_before(node, xor);
@@ -111,9 +112,9 @@ static void transform_sub_to_neg_add(ir_node *node,
 
 		ir_node *in[] = { neg_res, in1 };
 		add     = new_bd_amd64_add(dbgi, block, ARRAY_SIZE(in), in, attr);
-		arch_set_irn_register_reqs_in(add, arch_get_irn_register_reqs_in(node));
 		add_res = new_r_Proj(add, mode_Lu, pn_amd64_add_res);
 	}
+	arch_set_irn_register_reqs_in(add, arch_get_irn_register_reqs_in(node));
 	arch_set_irn_register(add_res, out_reg);
 
 	/* exchange the add and the sub */

ir/be/amd64/amd64_transform.c

@@ -280,7 +280,7 @@ static const arch_register_req_t *reg_reqs[] = {
 	&amd64_requirement_gp,
 };
 
-static const arch_register_req_t *xmm_reqs[] = {
+arch_register_req_t const *amd64_xmm_reqs[] = {
 	&amd64_requirement_xmm,
 };
 
@@ -2154,7 +2154,7 @@ static ir_node *match_mov(dbg_info *dbgi, ir_node *block, ir_node *value,
 	} else {
 		ir_node *new_value = be_transform_node(value);
 		in[arity++] = new_value;
-		reqs        = get_irn_mode(new_value) == amd64_mode_xmm ? xmm_reqs
+		reqs        = get_irn_mode(new_value) == amd64_mode_xmm ? amd64_xmm_reqs
 		                                                        : reg_reqs;
 		op_mode     = AMD64_OP_REG;
 	}
@@ -2270,7 +2270,7 @@ static ir_node *gen_Conv(ir_node *node)
 			pn_res = pn_amd64_cvtsd2ss_res;
 		}
 		res  = new_r_Proj(conv, amd64_mode_xmm, pn_res);
-		reqs = xmm_reqs;
+		reqs = amd64_xmm_reqs;
 
 	} else if (src_float && !dst_float) {
 		/* float to int */
@@ -2295,7 +2295,7 @@ static ir_node *gen_Conv(ir_node *node)
 			pn_res = pn_amd64_cvttsd2si_res;
 		}
 		res  = new_r_Proj(conv, mode_gp, pn_res);
-		reqs = xmm_reqs;
+		reqs = amd64_xmm_reqs;
 
 	} else if (!src_float && dst_float) {
 		/* int to float */

ir/be/amd64/amd64_transform.h

@@ -16,6 +16,8 @@
 extern const x86_clobber_name_t        amd64_additional_clobber_names[];
 extern const x86_asm_constraint_list_t amd64_asm_constraints;
 
+extern arch_register_req_t const *amd64_xmm_reqs[];
+
 void amd64_init_transform(void);
 
 ir_node *amd64_new_spill(ir_node *value, ir_node *after);