https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #12 from Hongtao.liu ---
Fixed in GCC12.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #11 from CVS Commits ---
The master branch has been updated by hongtao Liu :
https://gcc.gnu.org/g:508fa61b6319377e48cbee98da221aacd475fd10
commit r12-3276-g508fa61b6319377e48cbee98da221aacd475fd10
Author: liuhongt
Date: Tue
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #10 from Mikael Pettersson ---
(In reply to Hongtao.liu from comment #2)
> But failed to configure for target mcore, i didn't find any reference in
> https://gcc.gnu.org/install/specific.html
>
> --target=mcore results in
> ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #9 from Richard Biener ---
SUBREGs are not wanted for DECL_RTL
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #8 from Hongtao.liu ---
(In reply to Hongtao.liu from comment #7)
> Since we also allow something like (concat:(subreg) (subreg)), should we
> also allow subreg outside?
>
>gcc_checking_assert (!x
> ||
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #7 from Hongtao.liu ---
Since we also allow something like (concat:(subreg) (subreg)), should we also
allow subreg outside?
gcc_checking_assert (!x
|| !(TREE_CODE (t) == SSA_NAME || is_gimple_reg (t))
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #6 from Hongtao.liu ---
The difference of insn sequence is like
good one:
(insn 5 4 6 (clobber (reg/v:DF 153))
"/scratch/jmyers/glibc/many12/src/gcc/libgcc/libgcc2.c":1948:1 -1
(nil))
(insn 6 5 7 (set (subreg:SI (reg/v:DF 153)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #5 from Hongtao.liu ---
(In reply to Hongtao.liu from comment #4)
> >
> > and it hit REG_P (XEXP (x, 1)), XEXP (x, 1) is invalid for subreg, so
> > set_rtl here doesn't accept subreg?
>
> typo, it hit gcc_assert that if X is not
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #4 from Hongtao.liu ---
>
> and it hit REG_P (XEXP (x, 1)), XEXP (x, 1) is invalid for subreg, so
> set_rtl here doesn't accept subreg?
typo, it hit gcc_assert that if X is not REG, it must be CONCAT or PARALLEL,
but here is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #3 from Hongtao.liu ---
static inline void
set_rtl (tree t, rtx x)
{
gcc_checking_assert (!x
|| !(TREE_CODE (t) == SSA_NAME || is_gimple_reg (t))
|| (use_register_for_decl (t)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
--- Comment #2 from Hongtao.liu ---
I successfully reproduce error related to 32-bit SPARC libgcc
But failed to configure for target mcore, i didn't find any reference in
https://gcc.gnu.org/install/specific.html
--target=mcore results in
***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
Hongtao.liu changed:
What|Removed |Added
CC||crazylht at gmail dot com
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |12.0
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