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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96005] New: Add possibility to use newer ptx isa
Date: Tue, 30 Jun 2020 14:36:39 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 11.0
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X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: vries at gcc dot gnu.org
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96005

            Bug ID: 96005
           Summary: Add possibility to use newer ptx isa
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

Currently, we're at ptx isa v3.1:
...
static void
nvptx_file_start (void)
{
  fputs ("// BEGIN PREAMBLE\n", asm_out_file);
  fputs ("\t.version\t3.1\n", asm_out_file);
...

Using a newer isa could give some benefits, f.i. starting PTX ISA 6.3 we ha=
ve
atom.cas.b16.=