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: r268157

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9dc3762f8b5756feeb04e204e091c32047fb58d8..e8473b0d799bb2b5b1172746efb914644e52dd84 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-01-22  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.
+
 2019-01-18  Uroš Bizjak  <ubizjak@gmail.com>
 
        * config/alpha/alpha.c (alpha_gimplify_va_arg):

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 1ca7109976fc5b696172f9d7786f68da0428fe88..b3db897825cc7d1fcbab0ffb4c930c879f748909 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -38397,6 +38397,16 @@ 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 15a4270d9399921c4d4098bff3a4e9a56e4c36cf..5a2ad99ffab5402dcbd57264ca404c7c9d4ffb7a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-01-22  Uroš Bizjak  <ubizjak@gmail.com>
+
+       PR target/88938
+       * gcc.target/i386/pr88938.c: New test.
+
 2019-01-16  Joseph Myers  <joseph@codesourcery.com>
 
        Backport from mainline

diff --git a/gcc/testsuite/gcc.target/i386/pr88938.c b/gcc/testsuite/gcc.target/i386/pr88938.c
new file mode 100644 (file)
index 0000000..1314ebb
--- /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"