From: Kito Cheng <kito.cheng@gmail.com>
To: Kito Cheng <kito.cheng@sifive.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
Jim Wilson <jimw@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Andrew Waterman <andrew@sifive.com>
Subject: Re: [PATCH 2/2] RISC-V: Minimal support of vector extensions
Date: Fri, 7 Jan 2022 00:57:42 +0800 [thread overview]
Message-ID: <CA+yXCZASnTnQOm0TJD5ObLTuYfKKKiyJbd-B70hBn_2ZtrsAqQ@mail.gmail.com> (raw)
In-Reply-To: <20211203155054.52834-3-kito.cheng@sifive.com>
Committed with minor changelog fix
On Fri, Dec 3, 2021 at 11:52 PM Kito Cheng <kito.cheng@sifive.com> wrote:
>
> gcc/ChangeLog:
>
> * common/config/riscv/riscv-common.c (riscv_implied_info): Add
> vector extensions.
> (riscv_ext_version_table): Add version info for vector extensions.
> (riscv_ext_flag_table): Add option mask for vector extensions.
> * config/riscv/riscv-opts.h (MASK_VECTOR_EEW_32): New.
> (MASK_VECTOR_EEW_64): New.
> (MASK_VECTOR_EEW_FP_32): New.
> (MASK_VECTOR_EEW_FP_64): New.
> (MASK_ZVL32B: New.
> (MASK_ZVL64B: New.
> (MASK_ZVL128B: New.
> (MASK_ZVL256B: New.
> (MASK_ZVL512B: New.
> (MASK_ZVL1024B): New.
> (MASK_ZVL2048B): New.
> (MASK_ZVL4096B): New.
> (MASK_ZVL8192B): New.
> (MASK_ZVL16384B): New.
> (MASK_ZVL32768B): New.
> (MASK_ZVL65536B): New.
> (TARGET_ZVL32B): New.
> (TARGET_ZVL64B): New.
> (TARGET_ZVL128B): New.
> (TARGET_ZVL256B): New.
> (TARGET_ZVL512B): New.
> (TARGET_ZVL1024B): New.
> (TARGET_ZVL2048B): New.
> (TARGET_ZVL4096B): New.
> (TARGET_ZVL8192B): New.
> (TARGET_ZVL16384B): New.
> (TARGET_ZVL32768B): New.
> (TARGET_ZVL65536B): New.
> * config/riscv/riscv.opt (Mask(VECTOR)): New.
> (riscv_vector_eew_flags): New.
> (riscv_zvl_flags): New.
>
> gcc/testsuite/ChangeLog:
>
> * testsuite/gcc.target/riscv/predef-14.c: New.
> * testsuite/gcc.target/riscv/predef-15.c: Ditto.
> * testsuite/gcc.target/riscv/predef-16.c: Ditto.
> ---
> gcc/common/config/riscv/riscv-common.c | 86 ++++++++++++++++++++
> gcc/config/riscv/riscv-opts.h | 31 ++++++++
> gcc/config/riscv/riscv.opt | 8 ++
> gcc/testsuite/gcc.target/riscv/predef-14.c | 83 ++++++++++++++++++++
> gcc/testsuite/gcc.target/riscv/predef-15.c | 91 ++++++++++++++++++++++
> gcc/testsuite/gcc.target/riscv/predef-16.c | 91 ++++++++++++++++++++++
> 6 files changed, 390 insertions(+)
> create mode 100644 gcc/testsuite/gcc.target/riscv/predef-14.c
> create mode 100644 gcc/testsuite/gcc.target/riscv/predef-15.c
> create mode 100644 gcc/testsuite/gcc.target/riscv/predef-16.c
>
> diff --git a/gcc/common/config/riscv/riscv-common.c b/gcc/common/config/riscv/riscv-common.c
> index 31b1c833965..5cf15024aef 100644
> --- a/gcc/common/config/riscv/riscv-common.c
> +++ b/gcc/common/config/riscv/riscv-common.c
> @@ -50,6 +50,38 @@ static const riscv_implied_info_t riscv_implied_info[] =
> {"d", "f"},
> {"f", "zicsr"},
> {"d", "zicsr"},
> +
> + {"v", "zvl128b"},
> + {"v", "zve64d"},
> +
> + {"zve32f", "f"},
> + {"zve64f", "f"},
> + {"zve64d", "d"},
> +
> + {"zve32x", "zvl32b"},
> + {"zve32f", "zve32x"},
> + {"zve32f", "zvl32b"},
> +
> + {"zve64x", "zve32x"},
> + {"zve64x", "zvl64b"},
> + {"zve64f", "zve32f"},
> + {"zve64f", "zve64x"},
> + {"zve64f", "zvl64b"},
> + {"zve64d", "zve64f"},
> + {"zve64d", "zvl64b"},
> +
> + {"zvl64b", "zvl32b"},
> + {"zvl128b", "zvl64b"},
> + {"zvl256b", "zvl128b"},
> + {"zvl512b", "zvl256b"},
> + {"zvl1024b", "zvl512b"},
> + {"zvl2048b", "zvl1024b"},
> + {"zvl4096b", "zvl2048b"},
> + {"zvl8192b", "zvl4096b"},
> + {"zvl16384b", "zvl8192b"},
> + {"zvl32768b", "zvl16384b"},
> + {"zvl65536b", "zvl32768b"},
> +
> {NULL, NULL}
> };
>
> @@ -101,11 +133,34 @@ static const struct riscv_ext_version riscv_ext_version_table[] =
> {"zifencei", ISA_SPEC_CLASS_20191213, 2, 0},
> {"zifencei", ISA_SPEC_CLASS_20190608, 2, 0},
>
> +
> + {"v", ISA_SPEC_CLASS_NONE, 1, 0},
> +
> {"zba", ISA_SPEC_CLASS_NONE, 1, 0},
> {"zbb", ISA_SPEC_CLASS_NONE, 1, 0},
> {"zbc", ISA_SPEC_CLASS_NONE, 1, 0},
> {"zbs", ISA_SPEC_CLASS_NONE, 1, 0},
>
> + {"zve32x", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zve32f", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zve32d", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zve64x", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zve64f", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zve64d", ISA_SPEC_CLASS_NONE, 1, 0},
> +
> + {"zvl32b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl64b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl128b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl256b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl512b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl1024b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl2048b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl4096b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl8192b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl16384b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl32768b", ISA_SPEC_CLASS_NONE, 1, 0},
> + {"zvl65536b", ISA_SPEC_CLASS_NONE, 1, 0},
> +
> /* Terminate the list. */
> {NULL, ISA_SPEC_CLASS_NONE, 0, 0}
> };
> @@ -940,6 +995,7 @@ static const riscv_ext_flag_table_t riscv_ext_flag_table[] =
> {"f", &gcc_options::x_target_flags, MASK_HARD_FLOAT},
> {"d", &gcc_options::x_target_flags, MASK_DOUBLE_FLOAT},
> {"c", &gcc_options::x_target_flags, MASK_RVC},
> + {"v", &gcc_options::x_target_flags, MASK_VECTOR},
>
> {"zicsr", &gcc_options::x_riscv_zi_subext, MASK_ZICSR},
> {"zifencei", &gcc_options::x_riscv_zi_subext, MASK_ZIFENCEI},
> @@ -949,6 +1005,36 @@ static const riscv_ext_flag_table_t riscv_ext_flag_table[] =
> {"zbc", &gcc_options::x_riscv_zb_subext, MASK_ZBC},
> {"zbs", &gcc_options::x_riscv_zb_subext, MASK_ZBS},
>
> + {"zve32x", &gcc_options::x_target_flags, MASK_VECTOR},
> + {"zve32f", &gcc_options::x_target_flags, MASK_VECTOR},
> + {"zve64x", &gcc_options::x_target_flags, MASK_VECTOR},
> + {"zve64f", &gcc_options::x_target_flags, MASK_VECTOR},
> + {"zve64d", &gcc_options::x_target_flags, MASK_VECTOR},
> +
> + /* We don't need to put complete EEW/EEW_FP info here, due to the
> + implication relation of vector extension.
> + e.g. v -> zve64d ... zve32x, so v has set MASK_VECTOR_EEW_FP_64,
> + MASK_VECTOR_EEW_FP_32, MASK_VECTOR_EEW_64 and MASK_VECTOR_EEW_32
> + due to the extension implication. */
> + {"zve32x", &gcc_options::x_riscv_vector_eew_flags, MASK_VECTOR_EEW_32},
> + {"zve32f", &gcc_options::x_riscv_vector_eew_flags, MASK_VECTOR_EEW_FP_32},
> + {"zve64x", &gcc_options::x_riscv_vector_eew_flags, MASK_VECTOR_EEW_64},
> + {"zve64f", &gcc_options::x_riscv_vector_eew_flags, MASK_VECTOR_EEW_FP_32},
> + {"zve64d", &gcc_options::x_riscv_vector_eew_flags, MASK_VECTOR_EEW_FP_64},
> +
> + {"zvl32b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL32B},
> + {"zvl64b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL64B},
> + {"zvl128b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL128B},
> + {"zvl256b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL256B},
> + {"zvl512b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL512B},
> + {"zvl1024b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL1024B},
> + {"zvl2048b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL2048B},
> + {"zvl4096b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL4096B},
> + {"zvl8192b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL8192B},
> + {"zvl16384b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL16384B},
> + {"zvl32768b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL32768B},
> + {"zvl65536b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL65536B},
> +
> {NULL, NULL, 0}
> };
>
> diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h
> index 2efc4b80f1f..1e9234835af 100644
> --- a/gcc/config/riscv/riscv-opts.h
> +++ b/gcc/config/riscv/riscv-opts.h
> @@ -83,4 +83,35 @@ enum stack_protector_guard {
> #define TARGET_ZBC ((riscv_zb_subext & MASK_ZBC) != 0)
> #define TARGET_ZBS ((riscv_zb_subext & MASK_ZBS) != 0)
>
> +#define MASK_VECTOR_EEW_32 (1 << 0)
> +#define MASK_VECTOR_EEW_64 (1 << 1)
> +#define MASK_VECTOR_EEW_FP_32 (1 << 2)
> +#define MASK_VECTOR_EEW_FP_64 (1 << 3)
> +
> +#define MASK_ZVL32B (1 << 0)
> +#define MASK_ZVL64B (1 << 1)
> +#define MASK_ZVL128B (1 << 2)
> +#define MASK_ZVL256B (1 << 3)
> +#define MASK_ZVL512B (1 << 4)
> +#define MASK_ZVL1024B (1 << 5)
> +#define MASK_ZVL2048B (1 << 6)
> +#define MASK_ZVL4096B (1 << 7)
> +#define MASK_ZVL8192B (1 << 8)
> +#define MASK_ZVL16384B (1 << 9)
> +#define MASK_ZVL32768B (1 << 10)
> +#define MASK_ZVL65536B (1 << 11)
> +
> +#define TARGET_ZVL32B ((riscv_zvl_flags & MASK_ZVL32B) != 0)
> +#define TARGET_ZVL64B ((riscv_zvl_flags & MASK_ZVL64B) != 0)
> +#define TARGET_ZVL128B ((riscv_zvl_flags & MASK_ZVL128B) != 0)
> +#define TARGET_ZVL256B ((riscv_zvl_flags & MASK_ZVL256B) != 0)
> +#define TARGET_ZVL512B ((riscv_zvl_flags & MASK_ZVL512B) != 0)
> +#define TARGET_ZVL1024B ((riscv_zvl_flags & MASK_ZVL1024B) != 0)
> +#define TARGET_ZVL2048B ((riscv_zvl_flags & MASK_ZVL2048B) != 0)
> +#define TARGET_ZVL4096B ((riscv_zvl_flags & MASK_ZVL4096B) != 0)
> +#define TARGET_ZVL8192B ((riscv_zvl_flags & MASK_ZVL8192B) != 0)
> +#define TARGET_ZVL16384B ((riscv_zvl_flags & MASK_ZVL16384B) != 0)
> +#define TARGET_ZVL32768B ((riscv_zvl_flags & MASK_ZVL32768B) != 0)
> +#define TARGET_ZVL65536B ((riscv_zvl_flags & MASK_ZVL65536B) != 0)
> +
> #endif /* ! GCC_RISCV_OPTS_H */
> diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt
> index 15bf89e17c2..2cbf5769b0a 100644
> --- a/gcc/config/riscv/riscv.opt
> +++ b/gcc/config/riscv/riscv.opt
> @@ -146,6 +146,8 @@ Mask(RVC)
>
> Mask(RVE)
>
> +Mask(VECTOR)
> +
> mriscv-attribute
> Target Var(riscv_emit_attribute_p) Init(-1)
> Emit RISC-V ELF attribute.
> @@ -198,6 +200,12 @@ int riscv_zi_subext
> TargetVariable
> int riscv_zb_subext
>
> +TargetVariable
> +int riscv_vector_eew_flags
> +
> +TargetVariable
> +int riscv_zvl_flags
> +
> Enum
> Name(isa_spec_class) Type(enum riscv_isa_spec_class)
> Supported ISA specs (for use with the -misa-spec= option):
> diff --git a/gcc/testsuite/gcc.target/riscv/predef-14.c b/gcc/testsuite/gcc.target/riscv/predef-14.c
> new file mode 100644
> index 00000000000..108fc0c569f
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/predef-14.c
> @@ -0,0 +1,83 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -march=rv32iv -mabi=ilp32 -mcmodel=medlow -misa-spec=2.2" } */
> +
> +int main () {
> +
> +#ifndef __riscv_arch_test
> +#error "__riscv_arch_test"
> +#endif
> +
> +#if __riscv_xlen != 32
> +#error "__riscv_xlen"
> +#endif
> +
> +#if !defined(__riscv_i)
> +#error "__riscv_i"
> +#endif
> +
> +#if defined(__riscv_c)
> +#error "__riscv_c"
> +#endif
> +
> +#if defined(__riscv_e)
> +#error "__riscv_e"
> +#endif
> +
> +#if defined(__riscv_a)
> +#error "__riscv_a"
> +#endif
> +
> +#if defined(__riscv_m)
> +#error "__riscv_m"
> +#endif
> +
> +#if !defined(__riscv_f)
> +#error "__riscv_f"
> +#endif
> +
> +#if !defined(__riscv_d)
> +#error "__riscv_d"
> +#endif
> +
> +#if !defined(__riscv_v)
> +#error "__riscv_v"
> +#endif
> +
> +#if !defined(__riscv_zvl32b)
> +#error "__riscv_zvl32b"
> +#endif
> +
> +#if !defined(__riscv_zvl64b)
> +#error "__riscv_zvl64b"
> +#endif
> +
> +#if !defined(__riscv_zvl128b)
> +#error "__riscv_zvl128b"
> +#endif
> +
> +#if defined(__riscv_zvl256b)
> +#error "__riscv_zvl256b"
> +#endif
> +
> +#if !defined(__riscv_zve32x)
> +#error "__riscv_zve32x"
> +#endif
> +
> +#if !defined(__riscv_zve32f)
> +#error "__riscv_zve32f"
> +#endif
> +
> +#if !defined(__riscv_zve64x)
> +#error "__riscv_zve64x"
> +#endif
> +
> +#if !defined(__riscv_zve64f)
> +#error "__riscv_zve64f"
> +#endif
> +
> +#if !defined(__riscv_zve64d)
> +#error "__riscv_zve64d"
> +#endif
> +
> + return 0;
> +}
> diff --git a/gcc/testsuite/gcc.target/riscv/predef-15.c b/gcc/testsuite/gcc.target/riscv/predef-15.c
> new file mode 100644
> index 00000000000..a37c457ca71
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/predef-15.c
> @@ -0,0 +1,91 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -march=rv64iv_zvl512b -mabi=lp64 -mcmodel=medlow -misa-spec=2.2" } */
> +
> +int main () {
> +
> +#ifndef __riscv_arch_test
> +#error "__riscv_arch_test"
> +#endif
> +
> +#if __riscv_xlen != 64
> +#error "__riscv_xlen"
> +#endif
> +
> +#if !defined(__riscv_i)
> +#error "__riscv_i"
> +#endif
> +
> +#if defined(__riscv_c)
> +#error "__riscv_c"
> +#endif
> +
> +#if defined(__riscv_e)
> +#error "__riscv_e"
> +#endif
> +
> +#if defined(__riscv_a)
> +#error "__riscv_a"
> +#endif
> +
> +#if defined(__riscv_m)
> +#error "__riscv_m"
> +#endif
> +
> +#if !defined(__riscv_f)
> +#error "__riscv_f"
> +#endif
> +
> +#if !defined(__riscv_d)
> +#error "__riscv_d"
> +#endif
> +
> +#if !defined(__riscv_v)
> +#error "__riscv_v"
> +#endif
> +
> +#if !defined(__riscv_zvl32b)
> +#error "__riscv_zvl32b"
> +#endif
> +
> +#if !defined(__riscv_zvl64b)
> +#error "__riscv_zvl64b"
> +#endif
> +
> +#if !defined(__riscv_zvl128b)
> +#error "__riscv_zvl128b"
> +#endif
> +
> +#if !defined(__riscv_zvl256b)
> +#error "__riscv_zvl256b"
> +#endif
> +
> +#if !defined(__riscv_zvl512b)
> +#error "__riscv_zvl512b"
> +#endif
> +
> +#if defined(__riscv_zvl1024b)
> +#error "__riscv_zvl1024b"
> +#endif
> +
> +#if !defined(__riscv_zve32x)
> +#error "__riscv_zve32x"
> +#endif
> +
> +#if !defined(__riscv_zve32f)
> +#error "__riscv_zve32f"
> +#endif
> +
> +#if !defined(__riscv_zve64x)
> +#error "__riscv_zve64x"
> +#endif
> +
> +#if !defined(__riscv_zve64f)
> +#error "__riscv_zve64f"
> +#endif
> +
> +#if !defined(__riscv_zve64d)
> +#error "__riscv_zve64d"
> +#endif
> +
> + return 0;
> +}
> diff --git a/gcc/testsuite/gcc.target/riscv/predef-16.c b/gcc/testsuite/gcc.target/riscv/predef-16.c
> new file mode 100644
> index 00000000000..6c5c874b4ae
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/riscv/predef-16.c
> @@ -0,0 +1,91 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O2 -march=rv64i_zve64f -mabi=lp64 -mcmodel=medlow -misa-spec=2.2" } */
> +
> +int main () {
> +
> +#ifndef __riscv_arch_test
> +#error "__riscv_arch_test"
> +#endif
> +
> +#if __riscv_xlen != 64
> +#error "__riscv_xlen"
> +#endif
> +
> +#if !defined(__riscv_i)
> +#error "__riscv_i"
> +#endif
> +
> +#if defined(__riscv_c)
> +#error "__riscv_c"
> +#endif
> +
> +#if defined(__riscv_e)
> +#error "__riscv_e"
> +#endif
> +
> +#if defined(__riscv_a)
> +#error "__riscv_a"
> +#endif
> +
> +#if defined(__riscv_m)
> +#error "__riscv_m"
> +#endif
> +
> +#if !defined(__riscv_f)
> +#error "__riscv_f"
> +#endif
> +
> +#if defined(__riscv_d)
> +#error "__riscv_d"
> +#endif
> +
> +#if defined(__riscv_v)
> +#error "__riscv_v"
> +#endif
> +
> +#if !defined(__riscv_zvl32b)
> +#error "__riscv_zvl32b"
> +#endif
> +
> +#if !defined(__riscv_zvl64b)
> +#error "__riscv_zvl64b"
> +#endif
> +
> +#if defined(__riscv_zvl128b)
> +#error "__riscv_zvl128b"
> +#endif
> +
> +#if defined(__riscv_zvl256b)
> +#error "__riscv_zvl256b"
> +#endif
> +
> +#if defined(__riscv_zvl512b)
> +#error "__riscv_zvl512b"
> +#endif
> +
> +#if defined(__riscv_zvl1024b)
> +#error "__riscv_zvl1024b"
> +#endif
> +
> +#if !defined(__riscv_zve32x)
> +#error "__riscv_zve32x"
> +#endif
> +
> +#if !defined(__riscv_zve32f)
> +#error "__riscv_zve32f"
> +#endif
> +
> +#if !defined(__riscv_zve64x)
> +#error "__riscv_zve64x"
> +#endif
> +
> +#if !defined(__riscv_zve64f)
> +#error "__riscv_zve64f"
> +#endif
> +
> +#if defined(__riscv_zve64d)
> +#error "__riscv_zve64d"
> +#endif
> +
> + return 0;
> +}
> --
> 2.34.0
>
prev parent reply other threads:[~2022-01-06 16:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-03 15:50 [PATCH 0/2] RISC-V: Vector extensions support Kito Cheng
2021-12-03 15:50 ` [PATCH 1/2] RISC-V: Allow extension name contain digit Kito Cheng
2022-01-06 16:57 ` Kito Cheng
2021-12-03 15:50 ` [PATCH 2/2] RISC-V: Minimal support of vector extensions Kito Cheng
2022-01-06 16:57 ` Kito Cheng [this message]
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