From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47949) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEFtV-0000eE-1B for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:43:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEFtR-0006sj-Pb for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:43:56 -0400 Received: from pio-pvt-msa1.bahnhof.se ([79.136.2.40]:35383) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gEFtR-0006qs-HS for qemu-devel@nongnu.org; Sun, 21 Oct 2018 11:43:53 -0400 Date: Sun, 21 Oct 2018 17:43:37 +0200 From: Fredrik Noring Message-ID: <8bbbf24b886ba075f757e9823a5bab868dec7b18.1540134919.git.noring@nocrew.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Subject: [Qemu-devel] [PATCH v8 35/38] tests/tcg/mips: Test R5900 three-operand MADDU List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Aleksandar Markovic , "Maciej W. Rozycki" , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Cc: Richard Henderson , Aurelien Jarno , Petar Jovanovic , Peter Maydell , =?utf-8?Q?J=C3=BCrgen?= Urban , qemu-devel@nongnu.org Signed-off-by: Fredrik Noring --- tests/tcg/mips/mipsr5900/Makefile | 1 + tests/tcg/mips/mipsr5900/maddu.c | 37 +++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 tests/tcg/mips/mipsr5900/maddu.c diff --git a/tests/tcg/mips/mipsr5900/Makefile b/tests/tcg/mips/mipsr5900/Makefile index 97ca2a671c..27ee5d5f54 100644 --- a/tests/tcg/mips/mipsr5900/Makefile +++ b/tests/tcg/mips/mipsr5900/Makefile @@ -11,6 +11,7 @@ CFLAGS = -Wall -mabi=32 -march=r5900 -static TESTCASES = div1.tst TESTCASES += divu1.tst TESTCASES += madd.tst +TESTCASES += maddu.tst TESTCASES += mflohi1.tst TESTCASES += mtlohi1.tst TESTCASES += mult.tst diff --git a/tests/tcg/mips/mipsr5900/maddu.c b/tests/tcg/mips/mipsr5900/maddu.c new file mode 100644 index 0000000000..e4e552102d --- /dev/null +++ b/tests/tcg/mips/mipsr5900/maddu.c @@ -0,0 +1,37 @@ +/* + * Test R5900-specific three-operand MADDU. + */ + +#include +#include +#include + +uint64_t maddu(uint64_t a, uint32_t rs, uint32_t rt) +{ + uint32_t lo = a; + uint32_t hi = a >> 32; + uint32_t rd; + uint64_t r; + + __asm__ __volatile__ ( + " mtlo %5\n" + " mthi %6\n" + " maddu %0, %3, %4\n" + " mflo %1\n" + " mfhi %2\n" + : "=r" (rd), "=r" (lo), "=r" (hi) + : "r" (rs), "r" (rt), "r" (lo), "r" (hi)); + r = ((uint64_t)hi << 32) | (uint32_t)lo; + + assert(a + (uint64_t)rs * rt == r); + assert(rd == lo); + + return r; +} + +int main() +{ + assert(maddu(13, 17, 19) == 336); + + return 0; +} -- 2.18.1