re PR rtl-optimization/58048 (internal compiler error: Max. number of generated…

re PR rtl-optimization/58048 (internal compiler error: Max. number of generated reload insns per insn is achieved (90))

2013-08-02  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/58048
	* lra-constraints.c (process_alt_operands): Don't check asm
	operand on register.

2013-08-02  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/58048
	* gcc.target/i386/pr58048.c: New.

From-SVN: r201454

gcc/ChangeLog

+2013-08-02  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR rtl-optimization/58048
+	* lra-constraints.c (process_alt_operands): Don't check asm
+	operand on register.
+
 2013-08-02  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* config/sparc/sparc.c (sparc_emit_membar_for_model) <SMM_TSO>: Add

gcc/lra-constraints.c

@@ -1892,7 +1892,7 @@ process_alt_operands (int only_alternative)
 
 	      /* For asms, verify that the class for this alternative is possible
 		 for the mode that is specified.  */
-	      if (!no_regs_p && REG_P (op) && INSN_CODE (curr_insn) < 0)
+	      if (!no_regs_p && INSN_CODE (curr_insn) < 0)
 		{
 		  int i;
 		  for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)

gcc/testsuite/ChangeLog

+2013-08-02  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR rtl-optimization/58048
+	* gcc.target/i386/pr58048.c: New.
+
 2013-08-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* gcc.target/arm/neon-for-64bits-2.c: Delete.

gcc/testsuite/gcc.target/i386/pr58048.c

+/* PR target/58048 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+void
+div3 (void)
+{
+    double tmp1;
+
+    asm volatile ("fscale":"=t" (tmp1):"0" (0), "u" (0)); /* { dg-error "inconsistent operand constraints in an 'asm'"  } */
+}