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Fri, 2 Feb 2024 13:22:06 -0500 (EST) From: Jiaxun Yang Date: Fri, 02 Feb 2024 18:21:44 +0000 Subject: [PATCH 5/8] MIPS: Loongson64: test for -march=loongson3a cflag Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240202-llvm-msym32-v1-5-52f0631057d6@flygoat.com> References: <20240202-llvm-msym32-v1-0-52f0631057d6@flygoat.com> In-Reply-To: <20240202-llvm-msym32-v1-0-52f0631057d6@flygoat.com> To: Thomas Bogendoerfer , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Jiaxun Yang X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1172; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=v3fm5XNxNbZ/kFpT9LC1Qs1K1vIdZfDhhfNiJ9dOdaE=; b=owGbwMvMwCXmXMhTe71c8zDjabUkhtS9Rnv4ejglhHL17eUe7177ou1bs0d41Mlm5wWpPXum+ ma1lxV3lLIwiHExyIopsoQIKPVtaLy44PqDrD8wc1iZQIYwcHEKwER6/zD8U+6WiWT+vzPmWs6k 5JsTZp3Iti5/FDDlW2/T5ontQQ18UowMZ0I/7bH98uhg/+WvtmFK2at2FBox7U/ycBWrVNTrddz NDQA= X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 Currently march flag is hardcoded to loongson3a for GCC and mips64r2 for clang. We can actually test it to simplify the code. Signed-off-by: Jiaxun Yang --- arch/mips/Makefile | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 5a078c5487d6..80aecba24892 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -187,11 +187,8 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += \ # Some -march= flags enable MMI instructions, and GCC complains about that # support being enabled alongside -msoft-float. Thus explicitly disable MMI. cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi) -ifdef CONFIG_CPU_LOONGSON64 -cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap -cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a -cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2 -endif +cflags-$(CONFIG_CPU_LOONGSON64) += \ + $(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi) cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) -- 2.43.0