Hello!
Inverted condition is generated with =@ccae.
2015-10-25 Uros Bizjak <ubiz...@gmail.com>
PR target/68084
* config/i386/i386.c (ix86_md_asm_adjust) [case 'a']: Use NE code
for =@ccae.
testsuite/ChangeLog:
2015-10-25 Uros Bizjak <ubiz...@gmail.com>
PR target/68084
* gcc.target/i386/pr68084.c: New test.
Bootstrapped and regression tested on x86_64-linux {,-m32}, committed
to mainline SVN.
Uros.
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 229293)
+++ config/i386/i386.c (working copy)
@@ -46934,7 +46934,7 @@ ix86_md_asm_adjust (vec<rtx> &outputs, vec<rtx> &/
if (con[1] == 0)
mode = CCAmode, code = EQ;
else if (con[1] == 'e' && con[2] == 0)
- mode = CCCmode, code = EQ;
+ mode = CCCmode, code = NE;
break;
case 'b':
if (con[1] == 0)
Index: testsuite/gcc.target/i386/pr68084.c
===================================================================
--- testsuite/gcc.target/i386/pr68084.c (revision 0)
+++ testsuite/gcc.target/i386/pr68084.c (working copy)
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O" } */
+
+int x;
+
+void foo (void)
+{
+ char r;
+
+ asm ("" : "=@ccae"(r));
+
+ if (!r)
+ x = 0;
+}
+
+/* { dg-final { scan-assembler "jnc" } } */
