Message ID | 20230625090932.18330-1-xuli1@eswincomputing.com |
---|---|
State | New |
Headers | show |
Series | [v2] RISC-V: fix expand function of vlmul_ext RVV intrinsic | expand |
LGTM.
Thanks for fixing it.
Hi, Jeff:
I saw Li Xu is frequently helping RVV support in GCC. Is it possible to give him the write access?
Thanks.
juzhe.zhong@rivai.ai
From: Li Xu
Date: 2023-06-25 17:09
To: gcc-patches
CC: kito.cheng; palmer; juzhe.zhong; zhengyu; Li Xu
Subject: [PATCH v2] RISC-V: fix expand function of vlmul_ext RVV intrinsic
Consider this following case:
void test_vlmul_ext_v_i8mf8_i8mf4(vint8mf8_t op1) {
vint8mf4_t res = __riscv_vlmul_ext_v_i8mf8_i8mf4(op1);
}
Compilation fails with:
test.c: In function 'test_vlmul_ext_v_i8mf8_i8mf4':
test.c:5:1: error: unrecognizable insn:
5 | }
| ^
(insn 30 29 0 2 (set (mem/c:VNx2QI (reg/f:DI 143) [0 x+0 S[2, 2] A32])
(mem/c:VNx2QI (reg/f:DI 148) [0 op1+0 S[2, 2] A16])) "test.c":4:18 -1
(nil))
during RTL pass: vregs
test.c:5:1: internal compiler error: in extract_insn, at recog.cc:2791
0x7c61b8 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*)
../.././riscv-gcc/gcc/rtl-error.cc:108
0x7c61d7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../.././riscv-gcc/gcc/rtl-error.cc:116
0xed58a7 extract_insn(rtx_insn*)
../.././riscv-gcc/gcc/recog.cc:2791
0xb7f789 instantiate_virtual_regs_in_insn
../.././riscv-gcc/gcc/function.cc:1611
0xb7f789 instantiate_virtual_regs
../.././riscv-gcc/gcc/function.cc:1984
gcc/ChangeLog:
* config/riscv/riscv-vector-builtins-bases.cc: change emit_insn to emit_move_insn
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/vlmul_ext-2.c: New test.
---
gcc/config/riscv/riscv-vector-builtins-bases.cc | 2 +-
gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc b/gcc/config/riscv/riscv-vector-builtins-bases.cc
index c6c53dc13a5..5c8deda900d 100644
--- a/gcc/config/riscv/riscv-vector-builtins-bases.cc
+++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc
@@ -1567,7 +1567,7 @@ public:
{
tree arg = CALL_EXPR_ARG (e.exp, 0);
rtx src = expand_normal (arg);
- emit_insn (gen_rtx_SET (gen_lowpart (e.vector_mode (), e.target), src));
+ emit_move_insn (gen_lowpart (e.vector_mode (), e.target), src);
return e.target;
}
};
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c b/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c
new file mode 100644
index 00000000000..2b088b53546
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O0" } */
+
+#include "riscv_vector.h"
+
+void test_vlmul_ext_v_i8mf8_i8mf4(vint8mf8_t op1) {
+ vint8mf4_t res = __riscv_vlmul_ext_v_i8mf8_i8mf4(op1);
+}
On 6/25/23 03:13, juzhe.zhong@rivai.ai wrote: > LGTM. > Thanks for fixing it. Agreed. I didn't see the V2 had already been posted. > > Hi, Jeff: > I saw Li Xu is frequently helping RVV support in GCC. Is it possible to > give him the write access? Yes, we can do that with the normal process. Li Xu, fill out this form: https://sourceware.org/cgi-bin/pdw/ps_form.cgi List me as approving the request. Jeff
Committed, thanks Jeff. Pan -----Original Message----- From: Gcc-patches <gcc-patches-bounces+pan2.li=intel.com@gcc.gnu.org> On Behalf Of Jeff Law via Gcc-patches Sent: Sunday, June 25, 2023 8:55 PM To: juzhe.zhong@rivai.ai; Li Xu <xuli1@eswincomputing.com>; gcc-patches <gcc-patches@gcc.gnu.org> Cc: kito.cheng <kito.cheng@gmail.com>; palmer <palmer@dabbelt.com>; zhengyu <zhengyu@eswincomputing.com> Subject: Re: [PATCH v2] RISC-V: fix expand function of vlmul_ext RVV intrinsic On 6/25/23 03:13, juzhe.zhong@rivai.ai wrote: > LGTM. > Thanks for fixing it. Agreed. I didn't see the V2 had already been posted. > > Hi, Jeff: > I saw Li Xu is frequently helping RVV support in GCC. Is it possible to > give him the write access? Yes, we can do that with the normal process. Li Xu, fill out this form: https://sourceware.org/cgi-bin/pdw/ps_form.cgi List me as approving the request. Jeff
Hi, Jeff: I have filled out the form. May I ask if you have received my application? Is there anything else I need to do? Thanks. -------------- Li Xu > > >On 6/25/23 03:13, juzhe.zhong@rivai.ai wrote: >> LGTM. >> Thanks for fixing it. >Agreed. I didn't see the V2 had already been posted. > >> >> Hi, Jeff: >> I saw Li Xu is frequently helping RVV support in GCC. Is it possible to >> give him the write access? >Yes, we can do that with the normal process. > >Li Xu, fill out this form: > >https://sourceware.org/cgi-bin/pdw/ps_form.cgi > >List me as approving the request. >Jeff
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc b/gcc/config/riscv/riscv-vector-builtins-bases.cc index c6c53dc13a5..5c8deda900d 100644 --- a/gcc/config/riscv/riscv-vector-builtins-bases.cc +++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc @@ -1567,7 +1567,7 @@ public: { tree arg = CALL_EXPR_ARG (e.exp, 0); rtx src = expand_normal (arg); - emit_insn (gen_rtx_SET (gen_lowpart (e.vector_mode (), e.target), src)); + emit_move_insn (gen_lowpart (e.vector_mode (), e.target), src); return e.target; } }; diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c b/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c new file mode 100644 index 00000000000..2b088b53546 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/base/vlmul_ext-2.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64d -O0" } */ + +#include "riscv_vector.h" + +void test_vlmul_ext_v_i8mf8_i8mf4(vint8mf8_t op1) { + vint8mf4_t res = __riscv_vlmul_ext_v_i8mf8_i8mf4(op1); +}