On Tue, Jan 30, 2024 at 4:58 AM H.J. Lu wrote:
>
> On Tue, Jan 30, 2024 at 4:51 AM Jakub Jelinek wrote:
> >
> > On Mon, Jan 29, 2024 at 06:05:25PM -0800, H.J. Lu wrote:
> > > LRA may call forcce_const_mem on this insn in the function
> > >
> > > (gdb) call debug_tree (func_decl)
> > > > >
On Tue, Jan 30, 2024 at 4:51 AM Jakub Jelinek wrote:
>
> On Mon, Jan 29, 2024 at 06:05:25PM -0800, H.J. Lu wrote:
> > LRA may call forcce_const_mem on this insn in the function
> >
> > (gdb) call debug_tree (func_decl)
> > > type > type > align:8 warn_if_not_align:0
On Mon, Jan 29, 2024 at 06:05:25PM -0800, H.J. Lu wrote:
> LRA may call forcce_const_mem on this insn in the function
>
> (gdb) call debug_tree (func_decl)
> type type align:8 warn_if_not_align:0 symtab:0 alias-set -1
> canonical-type 0x77690f18
>
On Mon, Jan 29, 2024 at 3:12 PM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 2:51 PM Jakub Jelinek wrote:
> >
> > On Mon, Jan 29, 2024 at 11:29:22PM +0100, Jakub Jelinek wrote:
> > > On Mon, Jan 29, 2024 at 11:22:44PM +0100, Jakub Jelinek wrote:
> > > > On Mon, Jan 29, 2024 at 02:01:56PM -0800,
On Mon, Jan 29, 2024 at 2:51 PM Jakub Jelinek wrote:
>
> On Mon, Jan 29, 2024 at 11:29:22PM +0100, Jakub Jelinek wrote:
> > On Mon, Jan 29, 2024 at 11:22:44PM +0100, Jakub Jelinek wrote:
> > > On Mon, Jan 29, 2024 at 02:01:56PM -0800, H.J. Lu wrote:
> > > > > A function accesses a function symbol
On Mon, Jan 29, 2024 at 11:29:22PM +0100, Jakub Jelinek wrote:
> On Mon, Jan 29, 2024 at 11:22:44PM +0100, Jakub Jelinek wrote:
> > On Mon, Jan 29, 2024 at 02:01:56PM -0800, H.J. Lu wrote:
> > > > A function accesses a function symbol defined in a comdat group.
> > > > If the function symbol is
On Mon, Jan 29, 2024 at 11:22:44PM +0100, Jakub Jelinek wrote:
> On Mon, Jan 29, 2024 at 02:01:56PM -0800, H.J. Lu wrote:
> > > A function accesses a function symbol defined in a comdat group.
> > > If the function symbol is public, any comdat definition of the same group
> > > signature should
On Mon, Jan 29, 2024 at 02:01:56PM -0800, H.J. Lu wrote:
> > A function accesses a function symbol defined in a comdat group.
> > If the function symbol is public, any comdat definition of the same group
> > signature should provide the function definition. If the function symbol
> > is private
On Mon, Jan 29, 2024 at 2:01 PM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 1:42 PM H.J. Lu wrote:
> >
> > On Mon, Jan 29, 2024 at 1:22 PM H.J. Lu wrote:
> > >
> > > On Mon, Jan 29, 2024 at 1:00 PM H.J. Lu wrote:
> > > >
> > > > On Mon, Jan 29, 2024 at 9:34 AM H.J. Lu wrote:
> > > > >
> > > >
On Mon, Jan 29, 2024 at 1:42 PM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 1:22 PM H.J. Lu wrote:
> >
> > On Mon, Jan 29, 2024 at 1:00 PM H.J. Lu wrote:
> > >
> > > On Mon, Jan 29, 2024 at 9:34 AM H.J. Lu wrote:
> > > >
> > > > On Mon, Jan 29, 2024 at 9:00 AM Jakub Jelinek wrote:
> > > > >
>
On Mon, Jan 29, 2024 at 1:22 PM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 1:00 PM H.J. Lu wrote:
> >
> > On Mon, Jan 29, 2024 at 9:34 AM H.J. Lu wrote:
> > >
> > > On Mon, Jan 29, 2024 at 9:00 AM Jakub Jelinek wrote:
> > > >
> > > > On Mon, Jan 29, 2024 at 08:45:45AM -0800, H.J. Lu wrote:
> >
On Mon, Jan 29, 2024 at 1:00 PM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 9:34 AM H.J. Lu wrote:
> >
> > On Mon, Jan 29, 2024 at 9:00 AM Jakub Jelinek wrote:
> > >
> > > On Mon, Jan 29, 2024 at 08:45:45AM -0800, H.J. Lu wrote:
> > > > In this case, these are internal to the same comdat group:
On Mon, Jan 29, 2024 at 9:34 AM H.J. Lu wrote:
>
> On Mon, Jan 29, 2024 at 9:00 AM Jakub Jelinek wrote:
> >
> > On Mon, Jan 29, 2024 at 08:45:45AM -0800, H.J. Lu wrote:
> > > In this case, these are internal to the same comdat group:
> >
> > But that is only by accident, no?
>
> This may be by
On Mon, Jan 29, 2024 at 9:00 AM Jakub Jelinek wrote:
>
> On Mon, Jan 29, 2024 at 08:45:45AM -0800, H.J. Lu wrote:
> > In this case, these are internal to the same comdat group:
>
> But that is only by accident, no?
This may be by luck. I don't know if gcc checks it when
generating such
On Mon, Jan 29, 2024 at 08:45:45AM -0800, H.J. Lu wrote:
> In this case, these are internal to the same comdat group:
But that is only by accident, no?
I mean, if you need to refer to such a symbol from
non-comdat function or comdat function in a different comdat group
and RA decides it wants the
On Mon, Jan 29, 2024 at 8:34 AM Jakub Jelinek wrote:
>
> On Mon, Jan 29, 2024 at 08:23:21AM -0800, H.J. Lu wrote:
> > > baz:
> > > movq.LC0(%rip), %xmm0
> > > ret
> >
> > I don't think this is valid. We can't reference a non-public
> > symbol outside of a COMDAT group. It is
On Mon, Jan 29, 2024 at 08:23:21AM -0800, H.J. Lu wrote:
> > baz:
> > movq.LC0(%rip), %xmm0
> > ret
>
> I don't think this is valid. We can't reference a non-public
> symbol outside of a COMDAT group. It is OK to reference
> foo or foo + 1, but not .LC0.
But that is exactly
On Mon, Jan 29, 2024 at 8:03 AM Jakub Jelinek wrote:
>
> On Mon, Jan 29, 2024 at 06:36:47AM -0800, H.J. Lu wrote:
> > TARGET_ASM_SELECT_RTX_SECTION is for constant in RTL.
> > It should have a non-public label reference which can't be used
> > by other TUs. The same section can contain other
On Mon, Jan 29, 2024 at 06:36:47AM -0800, H.J. Lu wrote:
> TARGET_ASM_SELECT_RTX_SECTION is for constant in RTL.
> It should have a non-public label reference which can't be used
> by other TUs. The same section can contain other constants.
> If there is a COMAT issue, linker will catch it.
Let
On Mon, Jan 29, 2024 at 3:03 AM Jakub Jelinek wrote:
>
> On Sat, Jan 27, 2024 at 07:10:55AM -0800, H.J. Lu wrote:
> > For function symbol reference in readonly data section, instead of putting
> > it in .data.rel.ro or .rodata.cst section, call function_rodata_section to
> > get the read-only or
On Sat, Jan 27, 2024 at 07:10:55AM -0800, H.J. Lu wrote:
> For function symbol reference in readonly data section, instead of putting
> it in .data.rel.ro or .rodata.cst section, call function_rodata_section to
> get the read-only or relocated read-only data section associated with the
> function
For function symbol reference in readonly data section, instead of putting
it in .data.rel.ro or .rodata.cst section, call function_rodata_section to
get the read-only or relocated read-only data section associated with the
function DECL so that the COMDAT section will be used for a COMDAT
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