From 40126a16bddb85fb2f6300be5a919789ccf4d66f Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 5 Jul 2024 09:40:22 +0100
Subject: [PATCH] tests/tcg/arm: Use -fno-integrated-as for test-arm-iwmmxt
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Clang does not support IWMXT instructions.
Fall back to the external assembler.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-11-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-16-alex.bennee@linaro.org>
---
 tests/tcg/arm/Makefile.target | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/tcg/arm/Makefile.target b/tests/tcg/arm/Makefile.target
index 0a1965fce7..95f891bf8c 100644
--- a/tests/tcg/arm/Makefile.target
+++ b/tests/tcg/arm/Makefile.target
@@ -8,6 +8,11 @@ ARM_SRC=$(SRC_PATH)/tests/tcg/arm
 # Set search path for all sources
 VPATH 		+= $(ARM_SRC)
 
+config-cc.mak: Makefile
+	$(quiet-@)( \
+	    $(call cc-option,-fno-integrated-as, CROSS_CC_HAS_FNIA)) 3> config-cc.mak
+-include config-cc.mak
+
 float_madds: CFLAGS+=-mfpu=neon-vfpv4
 
 # Basic Hello World
@@ -17,7 +22,8 @@ hello-arm: LDFLAGS+=-nostdlib
 
 # IWMXT floating point extensions
 ARM_TESTS += test-arm-iwmmxt
-test-arm-iwmmxt: CFLAGS+=-marm -march=iwmmxt -mabi=aapcs -mfpu=fpv4-sp-d16
+# Clang assembler does not support IWMXT, so use the external assembler.
+test-arm-iwmmxt: CFLAGS += -marm -march=iwmmxt -mabi=aapcs -mfpu=fpv4-sp-d16 $(CROSS_CC_HAS_FNIA)
 test-arm-iwmmxt: test-arm-iwmmxt.S
 	$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)