On 11/23/19 11:26 PM, Bin.Cheng wrote:
> On Fri, Nov 22, 2019 at 3:23 PM Bin.Cheng wrote:
>> On Fri, Nov 22, 2019 at 3:19 PM Richard Biener
>> wrote:
>>> On November 22, 2019 6:51:38 AM GMT+01:00, Li Jia He
>>> wrote:
On 2019/11/21 8:10 PM, Richard Biener wrote:
> On Thu, Nov 21
On 11/12/20 7:02 PM, Xionghu Luo via Gcc wrote:
> Hi all,
>
> In PR51505(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51505), Paolo Bonzini
> added the code to delete REG_EQUAL notes in df_remove_dead_eq_notes:
>
> gcc/df-problems.c:
> df_remove_dead_eq_notes (rtx_insn *insn, bitmap live)
> {
>
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Hi all,
In PR51505(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51505), Paolo Bonzini
added the code to delete REG_EQUAL notes in df_remove_dead_eq_notes:
gcc/df-problems.c:
df_remove_dead_eq_notes (rtx_insn *insn, bitmap live)
{
...
case REG_EQUAL:
case REG_EQUIV:
{
Snapshot gcc-8-20201112 is now available on
https://gcc.gnu.org/pub/gcc/snapshots/8-20201112/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 8 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch
On 11/12/20 10:15 AM, Bill Schmidt via Gcc wrote:
On 11/12/20 10:06 AM, Marc Glisse wrote:
Does the i386 mm_malloc.h file match your scenario?
Ah, that looks promising indeed, and perhaps very simple! Marc,
thanks for the pointer!
And indeed, with this example it was a two-line change to
On 11/12/20 10:06 AM, Marc Glisse wrote:
On Thu, 12 Nov 2020, Bill Schmidt via Gcc wrote:
Hi! I'm working on a project where it's desirable to generate a
target-specific header file while building GCC, and install it with
the rest of the target-specific headers (i.e., in
lib/gcc//11.0.0/incl
On Thu, 12 Nov 2020, Bill Schmidt via Gcc wrote:
Hi! I'm working on a project where it's desirable to generate a
target-specific header file while building GCC, and install it with the
rest of the target-specific headers (i.e., in
lib/gcc//11.0.0/include). Today it appears that only those
h
Thanks for the pointer! I'll have a look at this.
Much obliged,
Bill
On 11/12/20 9:54 AM, Jonathan Wakely wrote:
On Thu, 12 Nov 2020 at 15:39, Bill Schmidt via Gcc wrote:
Hi! I'm working on a project where it's desirable to generate a
target-specific header
file while building GCC, and in
On Thu, 12 Nov 2020 at 15:39, Bill Schmidt via Gcc wrote:
>
> Hi! I'm working on a project where it's desirable to generate a
> target-specific header
> file while building GCC, and install it with the rest of the target-specific
> headers
> (i.e., in lib/gcc//11.0.0/include). Today it appears
Hi! I'm working on a project where it's desirable to generate a
target-specific header
file while building GCC, and install it with the rest of the target-specific
headers
(i.e., in lib/gcc//11.0.0/include). Today it appears that only those
headers
listed in "extra_headers" in config.gcc will
Hello,
On Thu, 12 Nov 2020, Stefan Kanthak wrote:
> Does GCC generate (unoptimised) code there, similar to the following i386
> assembly, using 4 loads, 4 shifts, 2 ands plus 3 ors?
Try for yourself. '-m32 -O2 -march=i386' is your friend.
Ciao,
Michael.
Spoiler: it's generating:
mov
* Amrita H. S. via Gcc:
> I am interested to know if there any other better way to use ifuncs with
> template functions. If there is none, is it worth suggesting to the C++
> standards?
IFUNC is GNU-specific. It's not supported by all ELF platforms, and not
even by all non-glibc Linux targets.
libgcc2.c defines __bswapsi2() as follows:
typedef int SItype __attribute__ ((mode (SI)));
SItype
__bswapsi2 (SItype u)
{
return u) & 0xff00) >> 24)
| (((u) & 0x00ff) >> 8)
| (((u) & 0xff00) << 8)
| (((u) & 0x00ff) << 24));
}
JFTR: if (u & 0x80) == 0x80, (u & 0xf
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