https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103296
--- Comment #1 from jojo ---
My patch here:
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/584589.html
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
I found this case in my riscv vector test case, and following is snippets of
problematic RTL:
before register renamer
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98673
--- Comment #5 from jojo ---
Sorry for late :)
Please test with following c case:
long
YTableLookup (long xValue, long xEntries, const long *xAxis,
const long *yTable )
{
int i ;
long xDelta ;
long outValue ;
for (i=0; i<(
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98673
--- Comment #3 from jojo ---
(In reply to jojo from comment #2)
> (In reply to Richard Biener from comment #1)
> > The analysis sounds a bit confused. What is the transform that DOM cannot
> > do after the transform that FRE does? There's some
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98673
--- Comment #2 from jojo ---
(In reply to Richard Biener from comment #1)
> The analysis sounds a bit confused. What is the transform that DOM cannot
> do after the transform that FRE does? There's some older bug about
> out-of-SSA
> coalescing
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
Created attachment 49962
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49962&action=edit
bug test file
a, compiler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97170
--- Comment #2 from jojo ---
(In reply to Andrew Pinski from comment #1)
> target_fcvt is wrong.
> try:
> (define_insn "target_fcvt"
> [(set (match_operand:SI 0 "register_operand" "=r")
> (unspec:SI [(match_operand:SF 1 "register_operan
-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
insn seqs:
s1:
__builtin_set_float_convert_mode(0);
r1 = __builtin_load(a1, a2);
r2 = __builtin_float_convert(r1);
__builtin_store(a3, r2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96352
--- Comment #2 from jojo ---
(In reply to Richard Biener from comment #1)
> It was a bugfix. If you want to have small binaries use -Os. You can also
> tune the inliner with various knobs, the most important maybe
> --param inline-unit-growth w
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 48942
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48942&action=edit
inflated text section with ipa inline
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402
--- Comment #38 from jojo ---
(In reply to Martin Liška from comment #36)
> (In reply to jojo from comment #35)
> > (In reply to Martin Liška from comment #30)
> > > A possible solution can be usage of '-flinker-output=nolto-rel -r' for
> > > hu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402
jojo changed:
What|Removed |Added
CC||rjiejie at me dot com
--- Comment #35 from jojo
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
GCC seems to overlap register bewteen DEST and SOURCE in different machine
mode,
e.g. RISCV vector extension:
when VMUL > 1, most
mponent: c
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
/lhome/software/jojo/csky-toolchain-build-riscv/build-riscv64-linux-glibc-opt4mabi-lp64_march-rv64gc/gcc-riscv/build-gcc-linux-stage2/gcc/xgcc
-B/lhome/software/jojo/csky-toolc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90270
--- Comment #13 from jojo ---
Hi, guys,
Any solution for this issue ?
My be the following patch is choice :) ?
Are there issue with applied this patch ?
--- tree-ssa-loop-ivopts-orig.c 2019-05-17 09:32:58.05200 +0800
+++ tree-ssa-loop-iv
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90371
--- Comment #2 from jojo ---
Thanks for your reply:)
(In reply to Andrew Pinski from comment #1)
> For your target, needs to fully support pthreads and a few other things.
> You can look at what is needed via libstdc++/configure.ac and related f
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
with the following code, it's compiled error with gcc-newlib*:
error: ‘mutex’ is not a member of ‘std’
and it's ok in the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90270
--- Comment #3 from jojo ---
Haha..., get_address_cost() will cost down some address which is not my
expected, you
can get that code from my the 1st comment, i can not understand why adding that
code
in new version :(
(In reply to Andrew Pinski
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rjiejie at me dot com
Target Milestone: ---
Using built-in specs.
COLLECT_GCC=/home/jojo/work/csky/cskytoolchain/csky-toolchain-build-riscv/riscv-install/bin/riscv64-unknown-linux-gnu-gcc
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