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[82.225.222.175]) by mx.google.com with ESMTPSA id u9sm24921095wju.44.2015.05.12.13.31.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 12 May 2015 13:31:24 -0700 (PDT) From: Christophe Lyon To: gcc-patches@gcc.gnu.org Subject: [Patch ARM-AArch64/testsuite Neon intrinsics 13/13] Add vqshrun_n tests. Date: Tue, 12 May 2015 22:31:01 +0200 Message-Id: <1431462661-27247-14-git-send-email-christophe.lyon@linaro.org> In-Reply-To: <1431462661-27247-1-git-send-email-christophe.lyon@linaro.org> References: <1431462661-27247-1-git-send-email-christophe.lyon@linaro.org> X-IsSubscribed: yes X-Original-Sender: christophe.lyon@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 2a00:1450:4010:c03::233 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org; dkim=pass header.i=@gcc.gnu.org X-Google-Group-Id: 836684582541 diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrun_n.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrun_n.c new file mode 100644 index 0000000..ce1a3ff --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqshrun_n.c @@ -0,0 +1,133 @@ +#include +#include "arm-neon-ref.h" +#include "compute-ref-data.h" + +/* Expected values of cumulative_saturation flag with negative input. */ +int VECT_VAR(expected_cumulative_sat_neg,int,16,8) = 1; +int VECT_VAR(expected_cumulative_sat_neg,int,32,4) = 1; +int VECT_VAR(expected_cumulative_sat_neg,int,64,2) = 1; + +/* Expected results with negative input. */ +VECT_VAR_DECL(expected_neg,uint,8,8) [] = { 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0 }; +VECT_VAR_DECL(expected_neg,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 }; +VECT_VAR_DECL(expected_neg,uint,32,2) [] = { 0x0, 0x0 }; + +/* Expected values of cumulative_saturation flag with max input value + shifted by 1. */ +int VECT_VAR(expected_cumulative_sat_max_sh1,int,16,8) = 1; +int VECT_VAR(expected_cumulative_sat_max_sh1,int,32,4) = 1; +int VECT_VAR(expected_cumulative_sat_max_sh1,int,64,2) = 1; + +/* Expected results with max input value shifted by 1. */ +VECT_VAR_DECL(expected_max_sh1,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff }; +VECT_VAR_DECL(expected_max_sh1,uint,16,4) [] = { 0xffff, 0xffff, + 0xffff, 0xffff }; +VECT_VAR_DECL(expected_max_sh1,uint,32,2) [] = { 0xffffffff, 0xffffffff }; +VECT_VAR_DECL(expected_max_sh1,uint,64,1) [] = { 0x3333333333333333 }; + +/* Expected values of cumulative_saturation flag. */ +int VECT_VAR(expected_cumulative_sat,int,16,8) = 0; +int VECT_VAR(expected_cumulative_sat,int,32,4) = 1; +int VECT_VAR(expected_cumulative_sat,int,64,2) = 0; + +/* Expected results. */ +VECT_VAR_DECL(expected,uint,8,8) [] = { 0x48, 0x48, 0x48, 0x48, + 0x48, 0x48, 0x48, 0x48 }; +VECT_VAR_DECL(expected,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 }; +VECT_VAR_DECL(expected,uint,32,2) [] = { 0xdeadbe, 0xdeadbe }; + + +#define INSN vqshrun_n +#define TEST_MSG "VQSHRUN_N" + +#define FNNAME1(NAME) void exec_ ## NAME (void) +#define FNNAME(NAME) FNNAME1(NAME) + +FNNAME (INSN) +{ + /* Basic test: y=vqshrun_n(x,v), then store the result. */ +#define TEST_VQSHRUN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ + Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, uint, W2, N)); \ + VECT_VAR(vector_res, uint, W2, N) = \ + INSN##_##T2##W(VECT_VAR(vector, T1, W, N), \ + V); \ + vst1_u##W2(VECT_VAR(result, uint, W2, N), \ + VECT_VAR(vector_res, uint, W2, N)); \ + CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT) + + /* Two auxliary macros are necessary to expand INSN */ +#define TEST_VQSHRUN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ + TEST_VQSHRUN_N2(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) + +#define TEST_VQSHRUN_N(T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) \ + TEST_VQSHRUN_N1(INSN, T1, T2, W, W2, N, V, EXPECTED_CUMULATIVE_SAT, CMT) + + + /* vector is twice as large as vector_res. */ + DECL_VARIABLE(vector, int, 16, 8); + DECL_VARIABLE(vector, int, 32, 4); + DECL_VARIABLE(vector, int, 64, 2); + + DECL_VARIABLE(vector_res, uint, 8, 8); + DECL_VARIABLE(vector_res, uint, 16, 4); + DECL_VARIABLE(vector_res, uint, 32, 2); + + clean_results (); + + /* Fill input vector with negative values, to check saturation on + limits. */ + VDUP(vector, q, int, s, 16, 8, -2); + VDUP(vector, q, int, s, 32, 4, -3); + VDUP(vector, q, int, s, 64, 2, -4); + + /* Choose shift amount arbitrarily. */ +#define CMT " (negative input)" + TEST_VQSHRUN_N(int, s, 16, 8, 8, 3, expected_cumulative_sat_neg, CMT); + TEST_VQSHRUN_N(int, s, 32, 16, 4, 4, expected_cumulative_sat_neg, CMT); + TEST_VQSHRUN_N(int, s, 64, 32, 2, 2, expected_cumulative_sat_neg, CMT); + + CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_neg, CMT); + CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_neg, CMT); + CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_neg, CMT); + + + /* Fill input vector with max value, to check saturation on + limits. */ + VDUP(vector, q, int, s, 16, 8, 0x7FFF); + VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF); + VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL); + +#undef CMT +#define CMT " (check cumulative saturation)" + TEST_VQSHRUN_N(int, s, 16, 8, 8, 1, expected_cumulative_sat_max_sh1, CMT); + TEST_VQSHRUN_N(int, s, 32, 16, 4, 1, expected_cumulative_sat_max_sh1, CMT); + TEST_VQSHRUN_N(int, s, 64, 32, 2, 1, expected_cumulative_sat_max_sh1, CMT); + + CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_max_sh1, CMT); + CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_max_sh1, CMT); + CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_max_sh1, CMT); + + + /* Fill input vector with positive values, to check normal case. */ + VDUP(vector, q, int, s, 16, 8, 0x1234); + VDUP(vector, q, int, s, 32, 4, 0x87654321); + VDUP(vector, q, int, s, 64, 2, 0xDEADBEEF); + +#undef CMT +#define CMT "" + TEST_VQSHRUN_N(int, s, 16, 8, 8, 6, expected_cumulative_sat, CMT); + TEST_VQSHRUN_N(int, s, 32, 16, 4, 7, expected_cumulative_sat, CMT); + TEST_VQSHRUN_N(int, s, 64, 32, 2, 8, expected_cumulative_sat, CMT); + + CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT); + CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT); + CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT); +} + +int main (void) +{ + exec_vqshrun_n (); + return 0; +}