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From: "juzhe.zhong at rivai dot ai" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114639] [riscv] ICE in create_pre_exit, at mode-switching.cc:451
Date: Mon, 22 Apr 2024 22:53:54 +0000 [thread overview]
Message-ID: <bug-114639-4-ih75mfcEUE@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-114639-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114639
--- Comment #16 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
This issue is not fully fixed since the fixed patch only fixes ICE but there is
a regression in codegen:
https://godbolt.org/z/4nvxeqb6K
Terrible codege:
test(__rvv_uint64m4_t):
addi sp,sp,-16
csrr t0,vlenb
sd ra,8(sp)
sub sp,sp,t0
vs1r.v v1,0(sp)
sub sp,sp,t0
vs1r.v v2,0(sp)
sub sp,sp,t0
vs1r.v v3,0(sp)
sub sp,sp,t0
vs1r.v v4,0(sp)
sub sp,sp,t0
vs1r.v v5,0(sp)
sub sp,sp,t0
vs1r.v v6,0(sp)
sub sp,sp,t0
vs1r.v v7,0(sp)
sub sp,sp,t0
vs1r.v v24,0(sp)
sub sp,sp,t0
vs1r.v v25,0(sp)
sub sp,sp,t0
vs1r.v v26,0(sp)
sub sp,sp,t0
vs1r.v v27,0(sp)
sub sp,sp,t0
vs1r.v v28,0(sp)
sub sp,sp,t0
vs1r.v v29,0(sp)
sub sp,sp,t0
vs1r.v v30,0(sp)
sub sp,sp,t0
csrr t0,vlenb
slli t1,t0,2
vs1r.v v31,0(sp)
sub sp,sp,t1
vs4r.v v8,0(sp)
call get_vl()
csrr t0,vlenb
slli t1,t0,2
vl4re64.v v8,0(sp)
csrr t0,vlenb
add sp,sp,t1
vl1re64.v v31,0(sp)
add sp,sp,t0
vl1re64.v v30,0(sp)
add sp,sp,t0
vl1re64.v v29,0(sp)
add sp,sp,t0
vl1re64.v v28,0(sp)
add sp,sp,t0
vl1re64.v v27,0(sp)
add sp,sp,t0
vl1re64.v v26,0(sp)
add sp,sp,t0
vl1re64.v v25,0(sp)
add sp,sp,t0
vl1re64.v v24,0(sp)
add sp,sp,t0
vl1re64.v v7,0(sp)
add sp,sp,t0
vl1re64.v v6,0(sp)
add sp,sp,t0
vl1re64.v v5,0(sp)
add sp,sp,t0
vl1re64.v v4,0(sp)
add sp,sp,t0
vl1re64.v v3,0(sp)
add sp,sp,t0
vl1re64.v v2,0(sp)
add sp,sp,t0
vl1re64.v v1,0(sp)
add sp,sp,t0
ld ra,8(sp)
vsetvli zero,a0,e64,m4,ta,ma
vmsne.vi v0,v8,0
addi sp,sp,16
jr ra
next prev parent reply other threads:[~2024-04-22 22:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-08 12:29 [Bug target/114639] New: " schwab@linux-m68k.org
2024-04-08 14:08 ` [Bug target/114639] " kito at gcc dot gnu.org
2024-04-08 18:13 ` pinskia at gcc dot gnu.org
2024-04-09 1:26 ` pan2.li at intel dot com
2024-04-09 1:28 ` kito at gcc dot gnu.org
2024-04-09 1:33 ` pan2.li at intel dot com
2024-04-09 1:37 ` juzhe.zhong at rivai dot ai
2024-04-09 3:45 ` pan2.li at intel dot com
2024-04-09 7:22 ` pan2.li at intel dot com
2024-04-09 8:05 ` ubizjak at gmail dot com
2024-04-09 8:32 ` pan2.li at intel dot com
2024-04-09 11:55 ` pan2.li at intel dot com
2024-04-09 15:30 ` pan2.li at intel dot com
2024-04-10 3:20 ` pan2.li at intel dot com
2024-04-11 3:02 ` cvs-commit at gcc dot gnu.org
2024-04-16 8:47 ` schwab@linux-m68k.org
2024-04-22 22:53 ` juzhe.zhong at rivai dot ai [this message]
2024-04-28 6:02 ` pan2.li at intel dot com
2024-04-28 6:22 ` juzhe.zhong at rivai dot ai
2024-04-28 6:51 ` pan2.li at intel dot com
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