From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57693) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gdz1e-0006Kv-Lp for qemu-devel@nongnu.org; Mon, 31 Dec 2018 09:58:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gdz1b-0004fm-Ix for qemu-devel@nongnu.org; Mon, 31 Dec 2018 09:58:42 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:60648 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gdz1b-00046E-52 for qemu-devel@nongnu.org; Mon, 31 Dec 2018 09:58:39 -0500 From: Aleksandar Markovic Date: Mon, 31 Dec 2018 15:56:37 +0100 Message-Id: <1546268200-26966-42-git-send-email-aleksandar.markovic@rt-rk.com> In-Reply-To: <1546268200-26966-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1546268200-26966-1-git-send-email-aleksandar.markovic@rt-rk.com> Subject: [Qemu-devel] [PULL v2 41/44] tests/tcg: mips: Test R5900 three-operand MADD List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, amarkovic@wavecomp.com From: Fredrik Noring Test R5900 three-operand MADD. Reviewed-by: Aleksandar Markovic Signed-off-by: Aleksandar Markovic Signed-off-by: Fredrik Noring --- tests/tcg/mips/mipsr5900/Makefile | 1 + tests/tcg/mips/mipsr5900/madd.c | 45 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 tests/tcg/mips/mipsr5900/madd.c diff --git a/tests/tcg/mips/mipsr5900/Makefile b/tests/tcg/mips/mipsr5900/Makefile index a1c388b..97ca2a6 100644 --- a/tests/tcg/mips/mipsr5900/Makefile +++ b/tests/tcg/mips/mipsr5900/Makefile @@ -10,6 +10,7 @@ CFLAGS = -Wall -mabi=32 -march=r5900 -static TESTCASES = div1.tst TESTCASES += divu1.tst +TESTCASES += madd.tst TESTCASES += mflohi1.tst TESTCASES += mtlohi1.tst TESTCASES += mult.tst diff --git a/tests/tcg/mips/mipsr5900/madd.c b/tests/tcg/mips/mipsr5900/madd.c new file mode 100644 index 0000000..9ad2ea6 --- /dev/null +++ b/tests/tcg/mips/mipsr5900/madd.c @@ -0,0 +1,45 @@ +/* + * Test R5900-specific three-operand MADD. + */ + +#include +#include +#include + +int64_t madd(int64_t a, int32_t rs, int32_t rt) +{ + int32_t lo = a; + int32_t hi = a >> 32; + int32_t rd; + int64_t r; + + __asm__ __volatile__ ( + " mtlo %5\n" + " mthi %6\n" + " madd %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 = ((int64_t)hi << 32) | (uint32_t)lo; + + assert(a + (int64_t)rs * rt == r); + assert(rd == lo); + + return r; +} + +static void verify_madd(int64_t a, int32_t rs, int32_t rt, int64_t expected) +{ + assert(madd(a, rs, rt) == expected); + assert(madd(a, -rs, rt) == a + a - expected); + assert(madd(a, rs, -rt) == a + a - expected); + assert(madd(a, -rs, -rt) == expected); +} + +int main() +{ + verify_madd(13, 17, 19, 336); + + return 0; +} -- 2.7.4