From: Kito Cheng <kito.cheng@sifive.com>
To: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com
Cc: Kito Cheng <kito.cheng@sifive.com>
Subject: [committed] RISC-V: prefetch.* only take base register with zero-offset for the address
Date: Mon, 20 Feb 2023 23:36:45 +0800 [thread overview]
Message-ID: <20230220153645.115207-1-kito.cheng@sifive.com> (raw)
Catched by running gcc.c-torture/execute/builtin-prefetch-2.c with
-march=rv64gc_zicbop.
gcc/ChangeLog:
* config/riscv/riscv.md (prefetch): Use r instead of p for the
address operand.
(riscv_prefetchi_<mode>): Ditto.
---
gcc/config/riscv/riscv.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md
index 487059ebe97..a5507fadc2d 100644
--- a/gcc/config/riscv/riscv.md
+++ b/gcc/config/riscv/riscv.md
@@ -3066,7 +3066,7 @@ (define_insn "riscv_zero_<mode>"
)
(define_insn "prefetch"
- [(prefetch (match_operand 0 "address_operand" "p")
+ [(prefetch (match_operand 0 "address_operand" "r")
(match_operand 1 "imm5_operand" "i")
(match_operand 2 "const_int_operand" "n"))]
"TARGET_ZICBOP"
@@ -3080,7 +3080,7 @@ (define_insn "prefetch"
})
(define_insn "riscv_prefetchi_<mode>"
- [(unspec_volatile:X [(match_operand:X 0 "address_operand" "p")
+ [(unspec_volatile:X [(match_operand:X 0 "address_operand" "r")
(match_operand:X 1 "imm5_operand" "i")]
UNSPECV_PREI)]
"TARGET_ZICBOP"
--
2.37.2
reply other threads:[~2023-02-20 15:36 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=20230220153645.115207-1-kito.cheng@sifive.com \
--to=kito.cheng@sifive.com \
--cc=gcc-patches@gcc.gnu.org \
--cc=kito.cheng@gmail.com \
/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).