From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 21 Jan 2019 20:14:40 +0000 (+0000)
Subject: 	PR target/88938
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bca15b83b3e1a50f7db027de78b96fe6c4026a8c;p=thirdparty%2Fgcc.git

	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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@268123 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ca20aed5da4..73c3a6688cc9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 8abff99cc626..88557f26c44c 100644
--- a/gcc/config/i386/i386.c
+++ b/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);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ba5285fc7104..bb703a1b86ad 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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
diff --git a/gcc/testsuite/gcc.target/i386/pr88938.c b/gcc/testsuite/gcc.target/i386/pr88938.c
new file mode 100644
index 000000000000..1314ebb1f356
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr88938.c
@@ -0,0 +1,5 @@
+/* PR target/88938 */
+/* { dg-do compile } */
+/* { dg-options "-Og -fno-tree-ccp -fno-tree-fre -mtbm" } */
+
+#include "tbm-bextri-1.c"