Re: [PATCH, i386]: Fix PR79804, ICE in print_reg

[Uros Bizjak]

On Fri, Apr 21, 2017 at 7:15 AM, Markus Trippelsdorf
<mar...@trippelsdorf.de> wrote:
> On 2017.04.20 at 22:29 +0200, Uros Bizjak wrote:
>>
>>     PR target/79804
>>     * gcc.target/i386/pr79804.c: New test.
>>
>> Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
>>
>> Committed to mainline SVN.
>
> The test fails without optimizations:
>
> gcc/testsuite/gcc.target/i386/pr79804.c: In function ‘foo’:
> gcc/testsuite/gcc.target/i386/pr79804.c:10:1: error: frame cannot be used in 
> asm here
>  }
>  ^
> gcc/testsuite/gcc.target/i386/pr79804.c:9:3: error: invalid 'asm': invalid 
> use of register 'frame'
>    asm volatile ("# %0" : "=r"(r20));  /* { dg-error "invalid use of 
> register" } */
>    ^~~

Oops, fixed with attached patch.

2017-04-21  Uros Bizjak  <ubiz...@gmail.com>

    * gcc.target/i386/pr79804.c: Add additional dg-error directive.

Thanks,
Uros.

diff --git a/gcc/testsuite/gcc.target/i386/pr79804.c 
b/gcc/testsuite/gcc.target/i386/pr79804.c
index 4325131..c7dda69 100644
--- a/gcc/testsuite/gcc.target/i386/pr79804.c
+++ b/gcc/testsuite/gcc.target/i386/pr79804.c
@@ -7,4 +7,4 @@ void foo (void)
   register int r20 asm ("20");
 
   asm volatile ("# %0" : "=r"(r20));  /* { dg-error "invalid use of register" 
} */
-}
+}  /* { dg-error "cannot be used in asm here" } */