It can't work. Still failed:

spawn -ignore SIGHUP 
/work/home/jzzhong/work/toolchain/riscv/build/dev-rv64gcv_zfh-lp64d-medany-newlib-spike-debug/build-gcc-newlib-stage2/gcc/xgcc
 
-B/work/home/jzzhong/work/toolchain/riscv/build/dev-rv64gcv_zfh-lp64d-medany-newlib-spike-debug/build-gcc-newlib-stage2/gcc/
 riscv_ext_v3079949.c -march=rv64gcv_zfh -mabi=lp64d -mcmodel=medany 
-fdiagnostics-plain-output -Wno-complain-wrong-lang -S -o riscv_ext_v3079949.s^M
PASS: gcc.dg/vect/vect-cond-arith-6.c scan-tree-dump-times vect "vectorizing 
stmts using SLP" 4
gcc.dg/vect/vect-cond-arith-6.c: pattern found 2 times
FAIL: gcc.dg/vect/vect-cond-arith-6.c scan-tree-dump-times optimized " = 
\\.COND(_LEN)?_ADD" 1
gcc.dg/vect/vect-cond-arith-6.c: pattern found 2 times
FAIL: gcc.dg/vect/vect-cond-arith-6.c scan-tree-dump-times optimized " = 
\\.COND(_LEN)?_SUB" 1
gcc.dg/vect/vect-cond-arith-6.c: pattern found 2 times
FAIL: gcc.dg/vect/vect-cond-arith-6.c scan-tree-dump-times optimized " = 
\\.COND(_LEN)?_MUL" 1
gcc.dg/vect/vect-cond-arith-6.c: pattern found 2 times
FAIL: gcc.dg/vect/vect-cond-arith-6.c scan-tree-dump-times optimized " = 
\\.COND(_LEN)?_RDIV" 1

I change it into:

/* { dg-final { scan-tree-dump-times { = \.COND_LEN_ADD} 1 "optimized" { target 
vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_LEN_SUB} 1 "optimized" { target 
vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_LEN_MUL} 1 "optimized" { target 
vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_LEN_RDIV} 1 "optimized" { 
target vect_double_cond_arith } } } */

It work.

This also can work:

/* { dg-final { scan-tree-dump-times { = \.COND_L?E?N?_?ADD} 1 "optimized" { 
target vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_L?E?N?_?SUB} 1 "optimized" { 
target vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_L?E?N?_?MUL} 1 "optimized" { 
target vect_double_cond_arith } } } */
/* { dg-final { scan-tree-dump-times { = \.COND_L?E?N?_?RDIV} 1 "optimized" { 
target vect_double_cond_arith } } } */




juzhe.zh...@rivai.ai
 
From: Jeff Law
Date: 2023-10-08 23:18
To: 钟居哲; gcc-patches
CC: rguenther; rdapp.gcc
Subject: Re: [PATCH] TEST: Fix vect_cond_arith_* dump checks for RVV
 
 
On 10/7/23 16:02, 钟居哲 wrote:
> Do you mean change it like this ?
> 
> /* { dg-final { scan-tree-dump-times { = \.COND_L?E?N?_?RDIV} 1 "optimized" { 
> target vect_double_cond_arith } } } */
I was thinking something more like
COND(_LEN)?_ADD
 
The idea being we match _LEN conditionally as a group.
 
jeff
 

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