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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1785948805940158500 Signed-off-by: Brian Cain Reviewed-by: Pierrick Bouvier --- tests/tcg/hexagon/hvx_misc.c | 44 ++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/tests/tcg/hexagon/hvx_misc.c b/tests/tcg/hexagon/hvx_misc.c index 90c3733da07..641cff59aba 100644 --- a/tests/tcg/hexagon/hvx_misc.c +++ b/tests/tcg/hexagon/hvx_misc.c @@ -20,6 +20,8 @@ #include #include #include +#include +#include =20 int err; =20 @@ -386,6 +388,47 @@ static void test_vsubuwsat_dv(void) check_output_w(__LINE__, 2); } =20 +static void test_vsubwsat(void) +{ + const int32_t x0 =3D INT32_MIN; + const int32_t y0 =3D 1; + const int32_t x1 =3D INT32_MAX; + const int32_t y1 =3D -1; + HVX_Vector v0; + HVX_Vector v1; + HVX_Vector vres; + + /* INT32_MIN - 1 underflows and must saturate to INT32_MIN */ + memset(expect, 0x12, sizeof(MMVector)); + memset(output, 0x34, sizeof(MMVector)); + + v0 =3D Q6_V_vsplat_R(x0); + v1 =3D Q6_V_vsplat_R(y0); + vres =3D Q6_Vw_vsub_VwVw_sat(v0, v1); + memcpy(&output[0], &vres, sizeof(MMVector)); + + for (int j =3D 0; j < MAX_VEC_SIZE_BYTES / 4; j++) { + expect[0].w[j] =3D INT32_MIN; + } + + check_output_w(__LINE__, 1); + + /* INT32_MAX - (-1) overflows and must saturate to INT32_MAX */ + memset(expect, 0x12, sizeof(MMVector)); + memset(output, 0x34, sizeof(MMVector)); + + v0 =3D Q6_V_vsplat_R(x1); + v1 =3D Q6_V_vsplat_R(y1); + vres =3D Q6_Vw_vsub_VwVw_sat(v0, v1); + memcpy(&output[0], &vres, sizeof(MMVector)); + + for (int j =3D 0; j < MAX_VEC_SIZE_BYTES / 4; j++) { + expect[0].w[j] =3D INT32_MAX; + } + + check_output_w(__LINE__, 1); +} + static void test_load_tmp_predicated(void) { void *p0 =3D buffer0; @@ -530,6 +573,7 @@ int main() =20 test_vadduwsat(); test_vsubuwsat_dv(); + test_vsubwsat(); =20 test_load_tmp_predicated(); test_load_cur_predicated(); --=20 2.34.1