On 10/24/2017 05:33 PM, Martin Sebor wrote:
>>> My concern with this pragma/attribute and inlining has to do with
>>> strings in one exec charset being propagated into functions that
>>> operate on strings in another charset. E.g., like in the test
>>> case below that's "miscompiled" with your pat
My concern with this pragma/attribute and inlining has to do with
strings in one exec charset being propagated into functions that
operate on strings in another charset. E.g., like in the test
case below that's "miscompiled" with your patch -- the first test
for n == 7 is eliminated and the buffe
On 10/23/2017 06:14 PM, Martin Sebor wrote:
...
> It seems to me that before exposing a new mechanism to control
> the exec charset it would be prudent to a) plug at least the
> biggest holes to make the feature more reliable (in my mind,
> that's at least -Wformat), and b) make sure the pragma int
On 10/23/2017 04:55 AM, Andreas Krebbel wrote:
On 10/19/2017 07:13 PM, Martin Sebor wrote:
On 10/19/2017 09:50 AM, Andreas Krebbel wrote:
The TPF operating system uses the GCC S/390 backend. They set an
EBCDIC exec charset for compilation using -fexec-charset. However,
certain libraries requi
On 10/19/2017 07:13 PM, Martin Sebor wrote:
> On 10/19/2017 09:50 AM, Andreas Krebbel wrote:
>> The TPF operating system uses the GCC S/390 backend. They set an
>> EBCDIC exec charset for compilation using -fexec-charset. However,
>> certain libraries require ASCII strings instead. In order to b
On Fri, Oct 20, 2017 at 1:34 PM, Richard Biener
wrote:
> On Fri, Oct 20, 2017 at 1:19 PM, Andreas Krebbel
> wrote:
>> On 10/20/2017 10:28 AM, Richard Biener wrote:
>>> On Fri, Oct 20, 2017 at 9:53 AM, Jakub Jelinek wrote:
On Fri, Oct 20, 2017 at 09:48:38AM +0200, Richard Biener wrote:
>
On Fri, Oct 20, 2017 at 1:19 PM, Andreas Krebbel
wrote:
> On 10/20/2017 10:28 AM, Richard Biener wrote:
>> On Fri, Oct 20, 2017 at 9:53 AM, Jakub Jelinek wrote:
>>> On Fri, Oct 20, 2017 at 09:48:38AM +0200, Richard Biener wrote:
How does it work semantically to have different exec charsets?
On 10/20/2017 10:28 AM, Richard Biener wrote:
> On Fri, Oct 20, 2017 at 9:53 AM, Jakub Jelinek wrote:
>> On Fri, Oct 20, 2017 at 09:48:38AM +0200, Richard Biener wrote:
>>> How does it work semantically to have different exec charsets? That is,
>>> if "strings" flow from a region with one -fexec-
On Fri, Oct 20, 2017 at 9:53 AM, Jakub Jelinek wrote:
> On Fri, Oct 20, 2017 at 09:48:38AM +0200, Richard Biener wrote:
>> How does it work semantically to have different exec charsets? That is,
>> if "strings" flow from a region with one -fexec-charset setting to a region
>> with another one is
On Fri, Oct 20, 2017 at 09:48:38AM +0200, Richard Biener wrote:
> How does it work semantically to have different exec charsets? That is,
> if "strings" flow from a region with one -fexec-charset setting to a region
> with another one is that undefined behavior? Do we now require
> external funct
On Thu, Oct 19, 2017 at 7:13 PM, Martin Sebor wrote:
> On 10/19/2017 09:50 AM, Andreas Krebbel wrote:
>>
>> The TPF operating system uses the GCC S/390 backend. They set an
>> EBCDIC exec charset for compilation using -fexec-charset. However,
>> certain libraries require ASCII strings instead.
On Thu, 19 Oct 2017, Andreas Krebbel wrote:
> gcc/testsuite/gcc.dg/pragma-exec_charset-1.c | 26 +++
I'd expect a c-c++-common test rather than a C-specific one, given there
are significant differences in how the C and C++ front ends handle lexing.
> +#pragma GCC exec_charset("UTF16
On 10/19/2017 09:50 AM, Andreas Krebbel wrote:
The TPF operating system uses the GCC S/390 backend. They set an
EBCDIC exec charset for compilation using -fexec-charset. However,
certain libraries require ASCII strings instead. In order to be able
to put calls to that library into the normal c
The TPF operating system uses the GCC S/390 backend. They set an
EBCDIC exec charset for compilation using -fexec-charset. However,
certain libraries require ASCII strings instead. In order to be able
to put calls to that library into the normal code it is required to
switch the exec charset wit
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