https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #12 from Xiaoguang ---
(In reply to Richard Earnshaw from comment #11)
> (In reply to Xiaoguang from comment #9)
> > Yeah, I also find such description, my memory type is uncachable normal
> > memory, but not device memory
> > I use
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #11 from Richard Earnshaw ---
(In reply to Xiaoguang from comment #9)
> Yeah, I also find such description, my memory type is uncachable normal
> memory, but not device memory
> I use mmap to get the virtual address with an O_SYNC in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #10 from Xiaoguang ---
(In reply to Xiaoguang from comment #9)
> (In reply to Andrew Pinski from comment #8)
> > In ARM Armv8, for A-profile architecture (ARM DDI 0487G.b (ID072021)):
> >
> > From section B2.5.2 Alignment of data a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #9 from Xiaoguang ---
(In reply to Andrew Pinski from comment #8)
> In ARM Armv8, for A-profile architecture (ARM DDI 0487G.b (ID072021)):
>
> From section B2.5.2 Alignment of data accesses:
>
> An unaligned access to any type of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #8 from Andrew Pinski ---
In ARM Armv8, for A-profile architecture (ARM DDI 0487G.b (ID072021)):
>From section B2.5.2 Alignment of data accesses:
An unaligned access to any type of Device memory causes an Alignment fault.
Unalign
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #7 from Andrew Pinski ---
(In reply to Xiaoguang from comment #6)
> (In reply to Richard Earnshaw from comment #5)
> > Your original code contains (after stripping out the volatile):
> > u32 temp_32 = (u32)status_data_base_addr;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #6 from Xiaoguang ---
(In reply to Richard Earnshaw from comment #5)
> Your original code contains (after stripping out the volatile):
> u32 temp_32 = (u32)status_data_base_addr;
> *dst++ = temp_32;
> data_length++;
>
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
Richard Earnshaw changed:
What|Removed |Added
Resolution|--- |INVALID
Status|WAITING
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #4 from Xiaoguang ---
(In reply to Xiaoguang from comment #2)
> (In reply to Richard Biener from comment #1)
> > Can you provide preprocessed source of the whole translation unit so the
> > testcase is compilable?
>
> Sure, please s
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #3 from Xiaoguang ---
(In reply to Richard Biener from comment #1)
> Can you provide preprocessed source of the whole translation unit so the
> testcase is compilable?
please see below code:
void CWLCollectReadRegData(u32* dst,u16 r
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
--- Comment #2 from Xiaoguang ---
(In reply to Richard Biener from comment #1)
> Can you provide preprocessed source of the whole translation unit so the
> testcase is compilable?
Sure, please see below complete code.
void CWLCollectReadRegDat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106635
Richard Biener changed:
What|Removed |Added
Last reconfirmed||2022-08-16
Ever confirmed|0
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