From: Michael Collison <collison@rivosinc.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH v5 01/10] RISC-V: autovec: Add new predicates and function prototypes
Date: Wed, 26 Apr 2023 17:45:05 -0400 [thread overview]
Message-ID: <20230426214514.3355280-2-collison@rivosinc.com> (raw)
In-Reply-To: <20230426214514.3355280-1-collison@rivosinc.com>
2023-04-24 Michael Collison <collison@rivosinc.com>
Juzhe Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv-protos.h
(riscv_vector_preferred_simd_mode): New.
(riscv_vector_mask_mode_p): Ditto.
(riscv_vector_get_mask_mode): Ditto.
(emit_vlmax_vsetvl): Ditto.
(get_mask_policy_no_pred): Ditto.
(get_tail_policy_no_pred): Ditto.
(vlmul_field_enum): Ditto.
* config/riscv/riscv-v.cc (emit_vlmax_vsetvl):
Remove static scope.
* config/riscv/predicates.md (p_reg_or_const_csr_operand):
New predicate.
(vector_reg_or_const_dup_operand): Ditto.
* config/riscv/riscv-opts.h (riscv_vector_bits_enum): New enum.
(riscv_vector_lmul_enum): Ditto.
(vlmul_field_enum): Ditto.
---
gcc/config/riscv/predicates.md | 13 +++++++++++++
gcc/config/riscv/riscv-opts.h | 29 +++++++++++++++++++++++++++++
gcc/config/riscv/riscv-protos.h | 9 +++++++++
3 files changed, 51 insertions(+)
diff --git a/gcc/config/riscv/predicates.md b/gcc/config/riscv/predicates.md
index 8654dbc5943..b3f2d622c7b 100644
--- a/gcc/config/riscv/predicates.md
+++ b/gcc/config/riscv/predicates.md
@@ -264,6 +264,14 @@
})
;; Predicates for the V extension.
+(define_special_predicate "p_reg_or_const_csr_operand"
+ (match_code "reg, subreg, const_int")
+{
+ if (CONST_INT_P (op))
+ return satisfies_constraint_K (op);
+ return GET_MODE (op) == Pmode;
+})
+
(define_special_predicate "vector_length_operand"
(ior (match_operand 0 "pmode_register_operand")
(match_operand 0 "const_csr_operand")))
@@ -291,6 +299,11 @@
(and (match_code "const_vector")
(match_test "rtx_equal_p (op, riscv_vector::gen_scalar_move_mask (GET_MODE (op)))")))
+(define_predicate "vector_reg_or_const_dup_operand"
+ (ior (match_operand 0 "register_operand")
+ (match_test "const_vec_duplicate_p (op)
+ && !CONST_POLY_INT_P (CONST_VECTOR_ELT (op, 0))")))
+
(define_predicate "vector_mask_operand"
(ior (match_operand 0 "register_operand")
(match_operand 0 "vector_all_trues_mask_operand")))
diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h
index cf0cd669be4..af77df11430 100644
--- a/gcc/config/riscv/riscv-opts.h
+++ b/gcc/config/riscv/riscv-opts.h
@@ -67,6 +67,35 @@ enum stack_protector_guard {
SSP_GLOBAL /* global canary */
};
+/* RISC-V auto-vectorization preference. */
+enum riscv_autovec_preference_enum {
+ NO_AUTOVEC,
+ RVV_SCALABLE,
+ RVV_FIXED_VLMAX
+};
+
+/* vectorization factor. */
+enum riscv_vector_lmul_enum
+{
+ RVV_LMUL1 = 1,
+ RVV_LMUL2 = 2,
+ RVV_LMUL4 = 4,
+ RVV_LMUL8 = 8
+};
+
+enum vlmul_field_enum
+{
+ VLMUL_FIELD_000, /* LMUL = 1. */
+ VLMUL_FIELD_001, /* LMUL = 2. */
+ VLMUL_FIELD_010, /* LMUL = 4. */
+ VLMUL_FIELD_011, /* LMUL = 8. */
+ VLMUL_FIELD_100, /* RESERVED. */
+ VLMUL_FIELD_101, /* LMUL = 1/8. */
+ VLMUL_FIELD_110, /* LMUL = 1/4. */
+ VLMUL_FIELD_111, /* LMUL = 1/2. */
+ MAX_VLMUL_FIELD
+};
+
#define MASK_ZICSR (1 << 0)
#define MASK_ZIFENCEI (1 << 1)
diff --git a/gcc/config/riscv/riscv-protos.h b/gcc/config/riscv/riscv-protos.h
index 5244e8dcbf0..55056222e57 100644
--- a/gcc/config/riscv/riscv-protos.h
+++ b/gcc/config/riscv/riscv-protos.h
@@ -237,4 +237,13 @@ extern const char*
th_mempair_output_move (rtx[4], bool, machine_mode, RTX_CODE);
#endif
+/* Routines implemented in riscv-v.cc. */
+
+namespace riscv_vector {
+extern machine_mode riscv_vector_preferred_simd_mode (scalar_mode mode);
+extern bool riscv_vector_mask_mode_p (machine_mode);
+extern opt_machine_mode riscv_vector_get_mask_mode (machine_mode mode);
+extern rtx get_mask_policy_no_pred ();
+extern rtx get_tail_policy_no_pred ();
+}
#endif /* ! GCC_RISCV_PROTOS_H */
--
2.34.1
next prev parent reply other threads:[~2023-04-26 21:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 21:45 [PATCH v5 00/10] RISC-V: autovec: Add autovec support Michael Collison
2023-04-26 21:45 ` Michael Collison [this message]
2023-04-28 22:28 ` [PATCH v5 01/10] RISC-V: autovec: Add new predicates and function prototypes Jeff Law
2023-04-26 21:45 ` [PATCH v5 02/10] RISC-V: autovec: Export policy functions to global scope Michael Collison
2023-04-28 22:15 ` Jeff Law
2023-04-26 21:45 ` [PATCH v5 03/10] RISC-V:autovec: Add auto-vectorization support functions Michael Collison
2023-04-28 22:19 ` Jeff Law
2023-05-03 10:53 ` Kito Cheng
2023-05-03 17:31 ` Michael Collison
2023-05-06 20:13 ` Jeff Law
2023-04-26 21:45 ` [PATCH v5 04/10] RISC-V:autovec: Add target vectorization hooks Michael Collison
2023-05-03 10:59 ` Kito Cheng
2023-04-26 21:45 ` [PATCH v5 05/10] RISC-V:autovec: Add autovectorization patterns for binary integer & len_load/store Michael Collison
2023-04-26 21:45 ` [PATCH v5 06/10] RISC-V:autovec: Add autovectorization tests for add & sub Michael Collison
2023-04-26 21:45 ` [PATCH v5 07/10] vect: Verify that GET_MODE_NUNITS is a multiple of 2 Michael Collison
2023-05-02 10:11 ` Richard Sandiford
2023-04-26 21:45 ` [PATCH v5 08/10] RISC-V:autovec: Add autovectorization tests for binary integer Michael Collison
2023-04-26 21:45 ` [PATCH v5 09/10] RISC-V: autovec: This patch adds a guard for VNx1 vectors that are present in ports like riscv Michael Collison
2023-04-26 21:45 ` [PATCH v5 10/10] RISC-V: autovec: This patch supports 8 bit auto-vectorization in riscv Michael Collison
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230426214514.3355280-2-collison@rivosinc.com \
--to=collison@rivosinc.com \
--cc=gcc-patches@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).