re PR target/88938 (ICE in extract_insn, at recog.c:2304)

	PR target/88938
	* config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
	case IX86_BUILTIN_BEXTRI64]: Sanitize operands.

testsuite/ChangeLog:

	PR target/88938
	* gcc.target/i386/pr88938.c: New test.

From-SVN: r268123

gcc/ChangeLog

+2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/88938
+	* config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
+	case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
+
 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
 
 	* hash-map-tests.c (test_map_of_strings_to_int): Show how to use

gcc/config/i386/i386.c

@@ -37215,6 +37215,16 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget,
           unsigned char lsb_index = INTVAL (op1) & 0xFF;
           op1 = GEN_INT (length);
           op2 = GEN_INT (lsb_index);
+
+	  mode1 = insn_data[icode].operand[1].mode;
+	  if (!insn_data[icode].operand[1].predicate (op0, mode1))
+	    op0 = copy_to_mode_reg (mode1, op0);
+
+	  mode0 = insn_data[icode].operand[0].mode;
+	  if (target == 0
+	      || !register_operand (target, mode0))
+	    target = gen_reg_rtx (mode0);
+
           pat = GEN_FCN (icode) (target, op0, op1, op2);
           if (pat)
             emit_insn (pat);

gcc/testsuite/ChangeLog

+2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/88938
+	* gcc.target/i386/pr88938.c: New test.
+
 2019-01-21  Jakub Jelinek  <jakub@redhat.com>
 
 	PR sanitizer/88901

gcc/testsuite/gcc.target/i386/pr88938.c

+/* PR target/88938 */
+/* { dg-do compile } */
+/* { dg-options "-Og -fno-tree-ccp -fno-tree-fre -mtbm" } */
+
+#include "tbm-bextri-1.c"