From: Jiawei <jiawei@iscas.ac.cn>
To: gcc-patches@gcc.gnu.org
Cc: kito.cheng@sifive.com, palmer@dabbelt.com,
christoph.muellner@vrull.eu, wuwei2016@iscas.ac.cn,
Jiawei <jiawei@iscas.ac.cn>
Subject: [PATCH] RISC-V: Add Z*inx incompatible check in gcc.
Date: Sun, 26 Mar 2023 16:34:58 +0800 [thread overview]
Message-ID: <20230326083458.1240538-1-jiawei@iscas.ac.cn> (raw)
Z*inx is conflict with float extensions, add incompatible check when
z*inx and hard_float both enabled.
gcc/ChangeLog:
* config/riscv/riscv.cc (riscv_option_override): New check.
---
gcc/config/riscv/riscv.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 76eee4a55e9..162ba14d3c7 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -6285,6 +6285,10 @@ riscv_option_override (void)
&& riscv_abi != ABI_LP64 && riscv_abi != ABI_ILP32E)
error ("z*inx requires ABI ilp32, ilp32e or lp64");
+ // Zfinx is conflict with float extensions.
+ if (TARGET_ZFINX && TARGET_HARD_FLOAT)
+ error ("z*inx is conflict with float extensions");
+
/* We do not yet support ILP32 on RV64. */
if (BITS_PER_WORD != POINTER_SIZE)
error ("ABI requires %<-march=rv%d%>", POINTER_SIZE);
--
2.25.1
next reply other threads:[~2023-03-26 8:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-26 8:34 Jiawei [this message]
2023-03-27 8:15 ` Kito Cheng
2023-03-28 14:36 ` Re: [PATCH v2] RISC-V: Add Z*inx imcompatible " jiawei
2023-03-28 14:43 ` Kito Cheng
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=20230326083458.1240538-1-jiawei@iscas.ac.cn \
--to=jiawei@iscas.ac.cn \
--cc=christoph.muellner@vrull.eu \
--cc=gcc-patches@gcc.gnu.org \
--cc=kito.cheng@sifive.com \
--cc=palmer@dabbelt.com \
--cc=wuwei2016@iscas.ac.cn \
/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).