[PATCH, i386]: Fix PR70027, invalid assembly syntax generated with -fno-plt -masm=intel

[Uros Bizjak]

Just add -masm=intel asm dialect alternative.

2016-03-01  Uros Bizjak  <ubiz...@gmail.com>

    PR target/70027
    * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
    asm dialect alternatives to explicit GOTPCREL calls.

testsuite/ChangeLog:

2016-03-01  Uros Bizjak  <ubiz...@gmail.com>

    PR target/70027
    * gcc.target/i386/pr70027.c: New test.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Committed to mainline SVN.

Uros.

Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c  (revision 233856)
+++ config/i386/i386.c  (working copy)
@@ -27293,14 +27293,17 @@ ix86_output_call_insn (rtx_insn *insn, rtx call_op
 
   if (SIBLING_CALL_P (insn))
     {
-      if (direct_p && ix86_nopic_noplt_attribute_p (call_op))
-       xasm = "%!jmp\t*%p0@GOTPCREL(%%rip)";
-      else if (direct_p)
-       xasm = "%!jmp\t%P0";
+      if (direct_p)
+       {
+         if (ix86_nopic_noplt_attribute_p (call_op))
+           xasm = "%!jmp\t{*%p0@GOTPCREL(%%rip)|[QWORD PTR 
%p0@GOTPCREL[rip]]}";
+         else
+           xasm = "%!jmp\t%P0";
+       }
       /* SEH epilogue detection requires the indirect branch case
         to include REX.W.  */
       else if (TARGET_SEH)
-       xasm = "%!rex.W jmp %A0";
+       xasm = "%!rex.W jmp\t%A0";
       else
        xasm = "%!jmp\t%A0";
 
@@ -27338,10 +27341,13 @@ ix86_output_call_insn (rtx_insn *insn, rtx call_op
        seh_nop_p = true;
     }
 
-  if (direct_p && ix86_nopic_noplt_attribute_p (call_op))
-    xasm = "%!call\t*%p0@GOTPCREL(%%rip)";
-  else if (direct_p)
-    xasm = "%!call\t%P0";
+  if (direct_p)
+    {
+      if (ix86_nopic_noplt_attribute_p (call_op))
+       xasm = "%!call\t{*%p0@GOTPCREL(%%rip)|[QWORD PTR %p0@GOTPCREL[rip]]}";
+      else
+       xasm = "%!call\t%P0";
+    }
   else
     xasm = "%!call\t%A0";
 
Index: testsuite/gcc.target/i386/pr70027.c
===================================================================
--- testsuite/gcc.target/i386/pr70027.c (nonexistent)
+++ testsuite/gcc.target/i386/pr70027.c (working copy)
@@ -0,0 +1,11 @@
+/* { dg-do assemble } */
+/* { dg-options "-fno-plt -masm=intel" } */
+/* { dg-require-effective-target masm_intel } */
+
+extern void bar (int);
+
+void
+foo (void)
+{
+  bar (123);
+}