From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57687) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gdz1e-0006Ko-I3 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-0004gA-LF for qemu-devel@nongnu.org; Mon, 31 Dec 2018 09:58:42 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:60651 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-00046c-7k for qemu-devel@nongnu.org; Mon, 31 Dec 2018 09:58:39 -0500 From: Aleksandar Markovic Date: Mon, 31 Dec 2018 15:56:40 +0100 Message-Id: <1546268200-26966-45-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 44/44] tests/tcg: mips: Test R5900 three-operand MADDU1 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 MADDU1. Reviewed-by: Aleksandar Markovic Signed-off-by: Aleksandar Markovic Signed-off-by: Fredrik Noring --- tests/tcg/mips/mipsr5900/maddu.c | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/tests/tcg/mips/mipsr5900/maddu.c b/tests/tcg/mips/mipsr5900/maddu.c index e4e5521..30936fb 100644 --- a/tests/tcg/mips/mipsr5900/maddu.c +++ b/tests/tcg/mips/mipsr5900/maddu.c @@ -1,5 +1,5 @@ /* - * Test R5900-specific three-operand MADDU. + * Test R5900-specific three-operand MADDU and MADDU1. */ #include @@ -29,9 +29,42 @@ uint64_t maddu(uint64_t a, uint32_t rs, uint32_t rt) return r; } +uint64_t maddu1(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__ ( + " mtlo1 %5\n" + " mthi1 %6\n" + " maddu1 %0, %3, %4\n" + " mflo1 %1\n" + " mfhi1 %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; +} + +static int64_t maddu_variants(int64_t a, int32_t rs, int32_t rt) +{ + int64_t rd = maddu(a, rs, rt); + int64_t rd1 = maddu1(a, rs, rt); + + assert(rd == rd1); + + return rd; +} + int main() { - assert(maddu(13, 17, 19) == 336); + assert(maddu_variants(13, 17, 19) == 336); return 0; } -- 2.7.4