Committed, thanks Juzhe.

Pan

From: juzhe.zh...@rivai.ai <juzhe.zh...@rivai.ai>
Sent: Wednesday, July 3, 2024 3:24 PM
To: Li, Pan2 <pan2...@intel.com>; gcc-patches <gcc-patches@gcc.gnu.org>
Cc: kito.cheng <kito.ch...@gmail.com>; jeffreyalaw <jeffreya...@gmail.com>; 
Robin Dapp <rdapp....@gmail.com>; Li, Pan2 <pan2...@intel.com>
Subject: Re: [PATCH v1] RISC-V: Fix asm check failure for truncated after 
SAT_SUB

LGTM

________________________________
juzhe.zh...@rivai.ai<mailto:juzhe.zh...@rivai.ai>

From: pan2.li<mailto:pan2...@intel.com>
Date: 2024-07-03 13:22
To: gcc-patches<mailto:gcc-patches@gcc.gnu.org>
CC: juzhe.zhong<mailto:juzhe.zh...@rivai.ai>; 
kito.cheng<mailto:kito.ch...@gmail.com>; 
jeffreyalaw<mailto:jeffreya...@gmail.com>; 
rdapp.gcc<mailto:rdapp....@gmail.com>; Pan Li<mailto:pan2...@intel.com>
Subject: [PATCH v1] RISC-V: Fix asm check failure for truncated after SAT_SUB
From: Pan Li <pan2...@intel.com<mailto:pan2...@intel.com>>

It seems that the asm check is incorrect for truncated after SAT_SUB,
we should take the vx check for vssubu instead of vv check.

gcc/testsuite/ChangeLog:

* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c:
Update vssubu check from vv to vx.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c:
Ditto.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c:
Ditto.

Signed-off-by: Pan Li <pan2...@intel.com<mailto:pan2...@intel.com>>
---
.../gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c  | 2 +-
.../gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c  | 2 +-
.../gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c  | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c
index dd9e3999a29..1e380657d74 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-1.c
@@ -11,7 +11,7 @@
** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e16,\s*m1,\s*ta,\s*ma
** ...
** vle16\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
-** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** vssubu\.vx\s+v[0-9]+,\s*v[0-9]+,\s*[atx][0-9]+
** vsetvli\s+zero,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma
** vncvt\.x\.x\.w\s+v[0-9]+,\s*v[0-9]+
** ...
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c
index 738d1465a01..d7b8931f0ec 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-2.c
@@ -11,7 +11,7 @@
** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e32,\s*m1,\s*ta,\s*ma
** ...
** vle32\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
-** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** vssubu\.vx\s+v[0-9]+,\s*v[0-9]+,\s*[atx][0-9]+
** vsetvli\s+zero,\s*zero,\s*e16,\s*mf2,\s*ta,\s*ma
** vncvt\.x\.x\.w\s+v[0-9]+,\s*v[0-9]+
** ...
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c
index b008b21cf0c..edf42a1f776 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub_trunc-3.c
@@ -11,7 +11,7 @@
** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e64,\s*m1,\s*ta,\s*ma
** ...
** vle64\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
-** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** vssubu\.vx\s+v[0-9]+,\s*v[0-9]+,\s*[atx][0-9]+
** vsetvli\s+zero,\s*zero,\s*e32,\s*mf2,\s*ta,\s*ma
** vncvt\.x\.x\.w\s+v[0-9]+,\s*v[0-9]+
** ...
--
2.34.1


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