From: Nelson Chu <nelson@rivosinc.com>
To: Tsukasa OI <research_trasio@irq.a4lg.com>
Cc: Kito Cheng <kito.cheng@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
binutils@sourceware.org
Subject: Re: [PATCH 1/1] RISC-V: Fix vector CSR requirements
Date: Thu, 8 Sep 2022 15:12:07 +0800 [thread overview]
Message-ID: <CAPpQWtBaLr5U-=78E6EGhdRFepg1E_KS0dDsOmUGfF8biTPRkg@mail.gmail.com> (raw)
In-Reply-To: <1ba51babe09245a77eb2ebee991f04a38d46bdb9.1662619979.git.research_trasio@irq.a4lg.com>
On Thu, Sep 8, 2022 at 2:54 PM Tsukasa OI <research_trasio@irq.a4lg.com> wrote:
>
> Vector CSRs are also required on smaller vector subsets.
>
> Not only that the most of vector CSRs are general purpose (and must be
> accessible for every vector subsets), current minimum vector subset 'Zve32x'
> requires fixed point arithmetic, making remaining non-general purpose
> (fixed point arithmetic only) CSRs mandatory for such subsets.
>
> So, those CSRs must be accessible from 'Zve32x', not just from 'V'.
> This commit fixes this issue which caused CSR accessibility warnings.
>
> gas/ChangeLog:
>
> * config/tc-riscv.c (riscv_csr_address): Change vector CSR
> requirement from 'V' to 'Zve32x'.
> * testsuite/gas/riscv/csr-version-1p9p1.l: Change vector CSR
> requirement from 'V' to 'Zve32x'.
> * testsuite/gas/riscv/csr-version-1p10.l: Likewise.
> * testsuite/gas/riscv/csr-version-1p11.l: Likewise.
> * testsuite/gas/riscv/csr-version-1p12.l: Likewise.
> * testsuite/gas/riscv/vector-csrs.s: New test.
> * testsuite/gas/riscv/vector-csrs-v.d: Likewise.
> * testsuite/gas/riscv/vector-csrs-zve32x.d: Likewise.
> * testsuite/gas/riscv/vector-csrs-zve32f.d: Likewise.
> * testsuite/gas/riscv/vector-csrs-zve64x.d: Likewise.
> * testsuite/gas/riscv/vector-csrs-zve64f.d: Likewise.
> * testsuite/gas/riscv/vector-csrs-zve64d.d: Likewise.
These seem to test the implied rules of vector extensions, not so
related to the csr tests. Otherwise looks good to me. Please update
and then commit when you think it's time.
Thanks
Nelson
> ---
> gas/config/tc-riscv.c | 2 +-
> gas/testsuite/gas/riscv/csr-version-1p10.l | 28 ++++++++++----------
> gas/testsuite/gas/riscv/csr-version-1p11.l | 28 ++++++++++----------
> gas/testsuite/gas/riscv/csr-version-1p12.l | 28 ++++++++++----------
> gas/testsuite/gas/riscv/csr-version-1p9p1.l | 28 ++++++++++----------
> gas/testsuite/gas/riscv/vector-csrs-v.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs-zve32f.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs-zve32x.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs-zve64d.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs-zve64f.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs-zve64x.d | 21 +++++++++++++++
> gas/testsuite/gas/riscv/vector-csrs.s | 12 +++++++++
> 12 files changed, 195 insertions(+), 57 deletions(-)
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-v.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-zve32f.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-zve32x.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-zve64d.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-zve64f.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs-zve64x.d
> create mode 100644 gas/testsuite/gas/riscv/vector-csrs.s
>
> diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
> index 34ce68e8252..df2e201fb74 100644
> --- a/gas/config/tc-riscv.c
> +++ b/gas/config/tc-riscv.c
> @@ -935,7 +935,7 @@ riscv_csr_address (const char *csr_name,
> extension = "zkr";
> break;
> case CSR_CLASS_V:
> - extension = "v";
> + extension = "zve32x";
> break;
> case CSR_CLASS_SMSTATEEN:
> case CSR_CLASS_SMSTATEEN_AND_H:
> diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.l b/gas/testsuite/gas/riscv/csr-version-1p10.l
> index b778453b556..999e9af1520 100644
> --- a/gas/testsuite/gas/riscv/csr-version-1p10.l
> +++ b/gas/testsuite/gas/riscv/csr-version-1p10.l
> @@ -652,20 +652,20 @@
> .*Warning: invalid CSR `fcsr', needs `f' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vl,a1'
> -.*Warning: invalid CSR `vtype', needs `v' extension
> -.*Warning: invalid CSR `vtype', needs `v' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vtype,a1'
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vlenb,a1'
> diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.l b/gas/testsuite/gas/riscv/csr-version-1p11.l
> index 78bae817470..a099e4ecc93 100644
> --- a/gas/testsuite/gas/riscv/csr-version-1p11.l
> +++ b/gas/testsuite/gas/riscv/csr-version-1p11.l
> @@ -650,20 +650,20 @@
> .*Warning: invalid CSR `fcsr', needs `f' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vl,a1'
> -.*Warning: invalid CSR `vtype', needs `v' extension
> -.*Warning: invalid CSR `vtype', needs `v' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vtype,a1'
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vlenb,a1'
> diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.l b/gas/testsuite/gas/riscv/csr-version-1p12.l
> index cb026bb55e0..cf8f2e25634 100644
> --- a/gas/testsuite/gas/riscv/csr-version-1p12.l
> +++ b/gas/testsuite/gas/riscv/csr-version-1p12.l
> @@ -532,20 +532,20 @@
> .*Warning: invalid CSR `fcsr', needs `f' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vl,a1'
> -.*Warning: invalid CSR `vtype', needs `v' extension
> -.*Warning: invalid CSR `vtype', needs `v' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vtype,a1'
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vlenb,a1'
> diff --git a/gas/testsuite/gas/riscv/csr-version-1p9p1.l b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
> index 4fac40fb589..5f298c1dda9 100644
> --- a/gas/testsuite/gas/riscv/csr-version-1p9p1.l
> +++ b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
> @@ -678,20 +678,20 @@
> .*Warning: invalid CSR `fcsr', needs `f' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> .*Warning: invalid CSR `seed', needs `zkr' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vstart', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxsat', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vxrm', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vcsr', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> -.*Warning: invalid CSR `vl', needs `v' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vstart', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxsat', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vxrm', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vcsr', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> +.*Warning: invalid CSR `vl', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vl,a1'
> -.*Warning: invalid CSR `vtype', needs `v' extension
> -.*Warning: invalid CSR `vtype', needs `v' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> +.*Warning: invalid CSR `vtype', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vtype,a1'
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> -.*Warning: invalid CSR `vlenb', needs `v' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> +.*Warning: invalid CSR `vlenb', needs `zve32x' extension
> .*Warning: read-only CSR is written `csrw vlenb,a1'
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-v.d b/gas/testsuite/gas/riscv/vector-csrs-v.d
> new file mode 100644
> index 00000000000..1376f01d83e
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-v.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32iv -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-zve32f.d b/gas/testsuite/gas/riscv/vector-csrs-zve32f.d
> new file mode 100644
> index 00000000000..9613915713b
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-zve32f.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32i_zve32f -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-zve32x.d b/gas/testsuite/gas/riscv/vector-csrs-zve32x.d
> new file mode 100644
> index 00000000000..1e18d923e8c
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-zve32x.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32i_zicsr_zve32x -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-zve64d.d b/gas/testsuite/gas/riscv/vector-csrs-zve64d.d
> new file mode 100644
> index 00000000000..f42e670699a
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-zve64d.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32i_zve64d -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-zve64f.d b/gas/testsuite/gas/riscv/vector-csrs-zve64f.d
> new file mode 100644
> index 00000000000..e88b5a3ff6e
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-zve64f.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32i_zve64f -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs-zve64x.d b/gas/testsuite/gas/riscv/vector-csrs-zve64x.d
> new file mode 100644
> index 00000000000..023dafb0364
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs-zve64x.d
> @@ -0,0 +1,21 @@
> +#as: -march=rv32i_zicsr_zve64x -mcsr-check
> +#source: vector-csrs.s
> +#objdump: -d
> +
> +.*:[ ]+file format .*
> +
> +
> +Disassembly of section .text:
> +
> +0+000 <target>:
> +[ ]+[0-9a-f]+:[ ]+00802573[ ]+csrr[ ]+a0,vstart
> +[ ]+[0-9a-f]+:[ ]+00801073[ ]+csrw[ ]+vstart,zero
> +[ ]+[0-9a-f]+:[ ]+00902573[ ]+csrr[ ]+a0,vxsat
> +[ ]+[0-9a-f]+:[ ]+0090d073[ ]+csrwi[ ]+vxsat,1
> +[ ]+[0-9a-f]+:[ ]+00a02573[ ]+csrr[ ]+a0,vxrm
> +[ ]+[0-9a-f]+:[ ]+00a1d073[ ]+csrwi[ ]+vxrm,3
> +[ ]+[0-9a-f]+:[ ]+00f02573[ ]+csrr[ ]+a0,vcsr
> +[ ]+[0-9a-f]+:[ ]+00f3d073[ ]+csrwi[ ]+vcsr,7
> +[ ]+[0-9a-f]+:[ ]+c2002573[ ]+csrr[ ]+a0,vl
> +[ ]+[0-9a-f]+:[ ]+c2102573[ ]+csrr[ ]+a0,vtype
> +[ ]+[0-9a-f]+:[ ]+c2202573[ ]+csrr[ ]+a0,vlenb
> diff --git a/gas/testsuite/gas/riscv/vector-csrs.s b/gas/testsuite/gas/riscv/vector-csrs.s
> new file mode 100644
> index 00000000000..7019a0588ef
> --- /dev/null
> +++ b/gas/testsuite/gas/riscv/vector-csrs.s
> @@ -0,0 +1,12 @@
> +target:
> + csrr a0, vstart
> + csrw vstart, zero
> + csrr a0, vxsat
> + csrwi vxsat, 1
> + csrr a0, vxrm
> + csrwi vxrm, 3
> + csrr a0, vcsr
> + csrwi vcsr, 7
> + csrr a0, vl
> + csrr a0, vtype
> + csrr a0, vlenb
> --
> 2.34.1
>
next prev parent reply other threads:[~2022-09-08 7:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-07 5:53 [PATCH 0/3] RISC-V: Fix CSR accessibility and implications Tsukasa OI
2022-09-07 5:53 ` [PATCH 1/3] RISC-V: Fix vector CSR requirements and imply Tsukasa OI
2022-09-07 5:53 ` [PATCH 2/3] RISC-V: Imply 'Zicsr' from 'Zkr' Tsukasa OI
2022-09-07 5:53 ` [PATCH 3/3] RISC-V: Imply 'Zicsr' from some privileged extensions Tsukasa OI
2022-09-07 6:21 ` [PATCH v2 0/3] RISC-V: Fix CSR accessibility and implications Tsukasa OI
2022-09-07 6:21 ` [PATCH v2 1/3] RISC-V: Fix vector CSR requirements and imply Tsukasa OI
2022-09-07 9:34 ` Kito Cheng
2022-09-09 11:10 ` Tsukasa OI
2022-09-07 6:21 ` [PATCH v2 2/3] RISC-V: Imply 'Zicsr' from 'Zkr' Tsukasa OI
2022-09-07 6:21 ` [PATCH v2 3/3] RISC-V: Imply 'Zicsr' from some privileged extensions Tsukasa OI
2022-09-08 6:53 ` [PATCH 0/1] RISC-V: Fix CSR accessibility on vectors Tsukasa OI
2022-09-08 6:53 ` [PATCH 1/1] RISC-V: Fix vector CSR requirements Tsukasa OI
2022-09-08 7:12 ` Nelson Chu [this message]
2022-09-08 7:15 ` Tsukasa OI
2022-09-08 7:20 ` Tsukasa OI
2022-09-07 8:49 ` [PATCH 0/3] RISC-V: Fix CSR accessibility and implications Nelson Chu
2022-09-07 9:08 ` Tsukasa OI
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