+2014-10-24 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * gcc.target/aarch64/advsimd-intrinsics/binary_sat_op.inc: New
+ file.
+ * gcc.target/aarch64/advsimd-intrinsics/vqadd.c: Likewise.
+ * gcc.target/aarch64/advsimd-intrinsics/vqsub.c: Likewise.
+
2014-10-24 Christophe Lyon <christophe.lyon@linaro.org>
* gcc.target/aarch64/advsimd-intrinsics/unary_sat_op.inc: New
--- /dev/null
+/* Template file for saturating binary operator validation.
+
+ This file is meant to be included by the relevant test files, which
+ have to define the intrinsic family to test. If a given intrinsic
+ supports variants which are not supported by all the other
+ saturating binary operators, these can be tested by providing a
+ definition for EXTRA_TESTS. */
+
+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+
+#define FNNAME1(NAME) exec_ ## NAME
+#define FNNAME(NAME) FNNAME1(NAME)
+
+void FNNAME (INSN_NAME) (void)
+{
+ /* vector_res = OP(vector1,vector2), then store the result. */
+
+#define TEST_BINARY_SAT_OP1(INSN, Q, T1, T2, W, N, EXPECTED_CUMULATIVE_SAT, CMT) \
+ Set_Neon_Cumulative_Sat(0); \
+ VECT_VAR(vector_res, T1, W, N) = \
+ INSN##Q##_##T2##W(VECT_VAR(vector1, T1, W, N), \
+ VECT_VAR(vector2, T1, W, N)); \
+ vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N)); \
+ CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
+
+#define TEST_BINARY_SAT_OP(INSN, Q, T1, T2, W, N, EXPECTED_CUMULATIVE_SAT, CMT) \
+ TEST_BINARY_SAT_OP1(INSN, Q, T1, T2, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
+
+ DECL_VARIABLE_ALL_VARIANTS(vector1);
+ DECL_VARIABLE_ALL_VARIANTS(vector2);
+ DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+ clean_results ();
+
+ /* Initialize input "vector1" from "buffer". */
+ TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector1, buffer);
+
+ /* Choose arbitrary initialization values. */
+ VDUP(vector2, , int, s, 8, 8, 0x11);
+ VDUP(vector2, , int, s, 16, 4, 0x22);
+ VDUP(vector2, , int, s, 32, 2, 0x33);
+ VDUP(vector2, , int, s, 64, 1, 0x44);
+ VDUP(vector2, , uint, u, 8, 8, 0x55);
+ VDUP(vector2, , uint, u, 16, 4, 0x66);
+ VDUP(vector2, , uint, u, 32, 2, 0x77);
+ VDUP(vector2, , uint, u, 64, 1, 0x88);
+
+ VDUP(vector2, q, int, s, 8, 16, 0x11);
+ VDUP(vector2, q, int, s, 16, 8, 0x22);
+ VDUP(vector2, q, int, s, 32, 4, 0x33);
+ VDUP(vector2, q, int, s, 64, 2, 0x44);
+ VDUP(vector2, q, uint, u, 8, 16, 0x55);
+ VDUP(vector2, q, uint, u, 16, 8, 0x66);
+ VDUP(vector2, q, uint, u, 32, 4, 0x77);
+ VDUP(vector2, q, uint, u, 64, 2, 0x88);
+
+ /* Apply a saturating binary operator named INSN_NAME. */
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 8, 8, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 16, 4, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 32, 2, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 8, 8, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 16, 4, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 32, 2, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat, "");
+
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 8, 16, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 16, 8, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 32, 4, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 8, 16, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 16, 8, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 32, 4, expected_cumulative_sat, "");
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat, "");
+
+ CHECK_RESULTS (TEST_MSG, "");
+
+#ifdef EXTRA_TESTS
+ EXTRA_TESTS();
+#endif
+}
+
+int main (void)
+{
+ FNNAME (INSN_NAME) ();
+
+ return 0;
+}
--- /dev/null
+#define INSN_NAME vqadd
+#define TEST_MSG "VQADD/VQADDQ"
+
+/* Extra tests for special cases:
+ - some requiring intermediate types larger than 64 bits to
+ compute saturation flag.
+ - corner case saturations with types smaller than 64 bits.
+*/
+void vqadd_extras(void);
+#define EXTRA_TESTS vqadd_extras
+
+#include "binary_sat_op.inc"
+
+/* Expected values of cumulative_saturation flag. */
+int VECT_VAR(expected_cumulative_sat,int,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,8,8) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,16,4) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,32,2) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat,int,8,16) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,8,16) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,16,8) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,32,4) = 1;
+int VECT_VAR(expected_cumulative_sat,uint,64,2) = 1;
+/* Expected results. */
+VECT_VAR_DECL(expected,int,8,8) [] = { 0x1, 0x2, 0x3, 0x4,
+ 0x5, 0x6, 0x7, 0x8 };
+VECT_VAR_DECL(expected,int,16,4) [] = { 0x12, 0x13, 0x14, 0x15 };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0x23, 0x24 };
+VECT_VAR_DECL(expected,int,64,1) [] = { 0x34 };
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0xffffffff, 0xffffffff };
+VECT_VAR_DECL(expected,uint,64,1) [] = { 0xffffffffffffffff };
+VECT_VAR_DECL(expected,poly,8,8) [] = { 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33 };
+VECT_VAR_DECL(expected,poly,16,4) [] = { 0x3333, 0x3333, 0x3333, 0x3333 };
+VECT_VAR_DECL(expected,hfloat,32,2) [] = { 0x33333333, 0x33333333 };
+VECT_VAR_DECL(expected,int,8,16) [] = { 0x1, 0x2, 0x3, 0x4,
+ 0x5, 0x6, 0x7, 0x8,
+ 0x9, 0xa, 0xb, 0xc,
+ 0xd, 0xe, 0xf, 0x10 };
+VECT_VAR_DECL(expected,int,16,8) [] = { 0x12, 0x13, 0x14, 0x15,
+ 0x16, 0x17, 0x18, 0x19 };
+VECT_VAR_DECL(expected,int,32,4) [] = { 0x23, 0x24, 0x25, 0x26 };
+VECT_VAR_DECL(expected,int,64,2) [] = { 0x34, 0x35 };
+VECT_VAR_DECL(expected,uint,8,16) [] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected,uint,16,8) [] = { 0xffff, 0xffff, 0xffff, 0xffff,
+ 0xffff, 0xffff, 0xffff, 0xffff };
+VECT_VAR_DECL(expected,uint,32,4) [] = { 0xffffffff, 0xffffffff,
+ 0xffffffff, 0xffffffff };
+VECT_VAR_DECL(expected,uint,64,2) [] = { 0xffffffffffffffff,
+ 0xffffffffffffffff };
+VECT_VAR_DECL(expected,poly,8,16) [] = { 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33 };
+VECT_VAR_DECL(expected,poly,16,8) [] = { 0x3333, 0x3333, 0x3333, 0x3333,
+ 0x3333, 0x3333, 0x3333, 0x3333 };
+VECT_VAR_DECL(expected,hfloat,32,4) [] = { 0x33333333, 0x33333333,
+ 0x33333333, 0x33333333 };
+
+
+/* 64-bits types, with 0 as second input. */
+int VECT_VAR(expected_cumulative_sat_64,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64,uint,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat_64,uint,64,2) = 0;
+VECT_VAR_DECL(expected_64,int,64,1) [] = { 0xfffffffffffffff0 };
+VECT_VAR_DECL(expected_64,uint,64,1) [] = { 0xfffffffffffffff0 };
+VECT_VAR_DECL(expected_64,int,64,2) [] = { 0xfffffffffffffff0,
+ 0xfffffffffffffff1 };
+VECT_VAR_DECL(expected_64,uint,64,2) [] = { 0xfffffffffffffff0,
+ 0xfffffffffffffff1 };
+
+/* 64-bits types, some cases causing cumulative saturation. */
+int VECT_VAR(expected_cumulative_sat_64_2,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64_2,uint,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_64_2,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat_64_2,uint,64,2) = 1;
+VECT_VAR_DECL(expected_64_2,int,64,1) [] = { 0x34 };
+VECT_VAR_DECL(expected_64_2,uint,64,1) [] = { 0xffffffffffffffff };
+VECT_VAR_DECL(expected_64_2,int,64,2) [] = { 0x34, 0x35 };
+VECT_VAR_DECL(expected_64_2,uint,64,2) [] = { 0xffffffffffffffff,
+ 0xffffffffffffffff };
+
+/* 64-bits types, all causing cumulative saturation. */
+int VECT_VAR(expected_cumulative_sat_64_3,int,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,uint,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,int,64,2) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,uint,64,2) = 1;
+VECT_VAR_DECL(expected_64_3,int,64,1) [] = { 0x8000000000000000 };
+VECT_VAR_DECL(expected_64_3,uint,64,1) [] = { 0xffffffffffffffff };
+VECT_VAR_DECL(expected_64_3,int,64,2) [] = { 0x7fffffffffffffff,
+ 0x7fffffffffffffff };
+VECT_VAR_DECL(expected_64_3,uint,64,2) [] = { 0xffffffffffffffff,
+ 0xffffffffffffffff };
+
+/* smaller types, corner cases causing cumulative saturation. (1) */
+int VECT_VAR(expected_csat_lt_64_1,int,8,8) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,16,4) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,32,2) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,8,16) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,16,8) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,32,4) = 1;
+VECT_VAR_DECL(expected_lt_64_1,int,8,8) [] = { 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80 };
+VECT_VAR_DECL(expected_lt_64_1,int,16,4) [] = { 0x8000, 0x8000,
+ 0x8000, 0x8000 };
+VECT_VAR_DECL(expected_lt_64_1,int,32,2) [] = { 0x80000000, 0x80000000 };
+VECT_VAR_DECL(expected_lt_64_1,int,8,16) [] = { 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80 };
+VECT_VAR_DECL(expected_lt_64_1,int,16,8) [] = { 0x8000, 0x8000,
+ 0x8000, 0x8000,
+ 0x8000, 0x8000,
+ 0x8000, 0x8000 };
+VECT_VAR_DECL(expected_lt_64_1,int,32,4) [] = { 0x80000000, 0x80000000,
+ 0x80000000, 0x80000000 };
+
+/* smaller types, corner cases causing cumulative saturation. (2) */
+int VECT_VAR(expected_csat_lt_64_2,uint,8,8) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,16,4) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,32,2) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,8,16) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,16,8) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,32,4) = 1;
+VECT_VAR_DECL(expected_lt_64_2,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected_lt_64_2,uint,16,4) [] = { 0xffff, 0xffff,
+ 0xffff, 0xffff };
+VECT_VAR_DECL(expected_lt_64_2,uint,32,2) [] = { 0xffffffff,
+ 0xffffffff };
+VECT_VAR_DECL(expected_lt_64_2,uint,8,16) [] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff };
+VECT_VAR_DECL(expected_lt_64_2,uint,16,8) [] = { 0xffff, 0xffff,
+ 0xffff, 0xffff,
+ 0xffff, 0xffff,
+ 0xffff, 0xffff };
+VECT_VAR_DECL(expected_lt_64_2,uint,32,4) [] = { 0xffffffff, 0xffffffff,
+ 0xffffffff, 0xffffffff };
+
+void vqadd_extras(void)
+{
+ DECL_VARIABLE_ALL_VARIANTS(vector1);
+ DECL_VARIABLE_ALL_VARIANTS(vector2);
+ DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+ /* Initialize input "vector1" from "buffer". */
+ TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector1, buffer);
+
+ /* Use a second vector full of 0. */
+ VDUP(vector2, , int, s, 64, 1, 0);
+ VDUP(vector2, , uint, u, 64, 1, 0);
+ VDUP(vector2, q, int, s, 64, 2, 0);
+ VDUP(vector2, q, uint, u, 64, 2, 0);
+
+#define MSG "64 bits saturation adding zero"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64, MSG);
+
+ /* Another set of tests with non-zero values, some chosen to create
+ overflow. */
+ VDUP(vector2, , int, s, 64, 1, 0x44);
+ VDUP(vector2, , uint, u, 64, 1, 0x88);
+ VDUP(vector2, q, int, s, 64, 2, 0x44);
+ VDUP(vector2, q, uint, u, 64, 2, 0x88);
+
+#undef MSG
+#define MSG "64 bits saturation cumulative_sat (2)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64_2, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64_2, MSG);
+
+ /* Another set of tests, with input values chosen to set
+ cumulative_sat in all cases. */
+ VDUP(vector2, , int, s, 64, 1, 0x8000000000000003LL);
+ VDUP(vector2, , uint, u, 64, 1, 0x88);
+ /* To check positive saturation, we need to write a positive value
+ in vector1. */
+ VDUP(vector1, q, int, s, 64, 2, 0x4000000000000000LL);
+ VDUP(vector2, q, int, s, 64, 2, 0x4000000000000000LL);
+ VDUP(vector2, q, uint, u, 64, 2, 0x22);
+
+#undef MSG
+#define MSG "64 bits saturation cumulative_sat (3)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64_3, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64_3, MSG);
+
+ /* To improve coverage, check saturation with less than 64 bits
+ too. */
+ VDUP(vector2, , int, s, 8, 8, 0x81);
+ VDUP(vector2, , int, s, 16, 4, 0x8001);
+ VDUP(vector2, , int, s, 32, 2, 0x80000001);
+ VDUP(vector2, q, int, s, 8, 16, 0x81);
+ VDUP(vector2, q, int, s, 16, 8, 0x8001);
+ VDUP(vector2, q, int, s, 32, 4, 0x80000001);
+
+#undef MSG
+#define MSG "less than 64 bits saturation cumulative_sat (1)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 8, 8, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 16, 4, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 32, 2, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 8, 16, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 16, 8, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 32, 4, expected_csat_lt_64_1, MSG);
+
+ CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 8, 16, PRIx8, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_lt_64_1, MSG);
+
+ /* Another set of tests with large vector1 values. */
+ VDUP(vector1, , uint, u, 8, 8, 0xF0);
+ VDUP(vector1, , uint, u, 16, 4, 0xFFF0);
+ VDUP(vector1, , uint, u, 32, 2, 0xFFFFFFF0);
+ VDUP(vector1, q, uint, u, 8, 16, 0xF0);
+ VDUP(vector1, q, uint, u, 16, 8, 0xFFF0);
+ VDUP(vector1, q, uint, u, 32, 4, 0xFFFFFFF0);
+
+ VDUP(vector2, , uint, u, 8, 8, 0x20);
+ VDUP(vector2, , uint, u, 16, 4, 0x20);
+ VDUP(vector2, , uint, u, 32, 2, 0x20);
+ VDUP(vector2, q, uint, u, 8, 16, 0x20);
+ VDUP(vector2, q, uint, u, 16, 8, 0x20);
+ VDUP(vector2, q, uint, u, 32, 4, 0x20);
+
+#undef MSG
+#define MSG "less than 64 bits saturation cumulative_sat (2)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 8, 8, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 16, 4, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 32, 2, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 8, 16, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 16, 8, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 32, 4, expected_csat_lt_64_2, MSG);
+
+ CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_lt_64_2, MSG);
+}
--- /dev/null
+#define INSN_NAME vqsub
+#define TEST_MSG "VQSUB/VQSUBQ"
+
+/* Extra tests for special cases:
+ - some requiring intermediate types larger than 64 bits to
+ compute saturation flag.
+ - corner case saturations with types smaller than 64 bits.
+*/
+void vqsub_extras(void);
+#define EXTRA_TESTS vqsub_extras
+
+#include "binary_sat_op.inc"
+
+
+/* Expected results. */
+VECT_VAR_DECL(expected,int,8,8) [] = { 0xdf, 0xe0, 0xe1, 0xe2,
+ 0xe3, 0xe4, 0xe5, 0xe6 };
+VECT_VAR_DECL(expected,int,16,4) [] = { 0xffce, 0xffcf,
+ 0xffd0, 0xffd1 };
+VECT_VAR_DECL(expected,int,32,2) [] = { 0xffffffbd, 0xffffffbe };
+VECT_VAR_DECL(expected,int,64,1) [] = { 0xffffffffffffffac };
+VECT_VAR_DECL(expected,uint,8,8) [] = { 0x9b, 0x9c, 0x9d, 0x9e,
+ 0x9f, 0xa0, 0xa1, 0xa2 };
+VECT_VAR_DECL(expected,uint,16,4) [] = { 0xff8a, 0xff8b,
+ 0xff8c, 0xff8d };
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0xffffff79, 0xffffff7a };
+VECT_VAR_DECL(expected,uint,64,1) [] = { 0xffffffffffffff68 };
+VECT_VAR_DECL(expected,poly,8,8) [] = { 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33 };
+VECT_VAR_DECL(expected,poly,16,4) [] = { 0x3333, 0x3333, 0x3333, 0x3333 };
+VECT_VAR_DECL(expected,hfloat,32,2) [] = { 0x33333333, 0x33333333 };
+VECT_VAR_DECL(expected,int,8,16) [] = { 0xdf, 0xe0, 0xe1, 0xe2,
+ 0xe3, 0xe4, 0xe5, 0xe6,
+ 0xe7, 0xe8, 0xe9, 0xea,
+ 0xeb, 0xec, 0xed, 0xee };
+VECT_VAR_DECL(expected,int,16,8) [] = { 0xffce, 0xffcf, 0xffd0, 0xffd1,
+ 0xffd2, 0xffd3, 0xffd4, 0xffd5 };
+VECT_VAR_DECL(expected,int,32,4) [] = { 0xffffffbd, 0xffffffbe,
+ 0xffffffbf, 0xffffffc0 };
+VECT_VAR_DECL(expected,int,64,2) [] = { 0xffffffffffffffac,
+ 0xffffffffffffffad };
+VECT_VAR_DECL(expected,uint,8,16) [] = { 0x9b, 0x9c, 0x9d, 0x9e,
+ 0x9f, 0xa0, 0xa1, 0xa2,
+ 0xa3, 0xa4, 0xa5, 0xa6,
+ 0xa7, 0xa8, 0xa9, 0xaa };
+VECT_VAR_DECL(expected,uint,16,8) [] = { 0xff8a, 0xff8b, 0xff8c, 0xff8d,
+ 0xff8e, 0xff8f, 0xff90, 0xff91 };
+VECT_VAR_DECL(expected,uint,32,4) [] = { 0xffffff79, 0xffffff7a,
+ 0xffffff7b, 0xffffff7c };
+VECT_VAR_DECL(expected,uint,64,2) [] = { 0xffffffffffffff68,
+ 0xffffffffffffff69 };
+VECT_VAR_DECL(expected,poly,8,16) [] = { 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33,
+ 0x33, 0x33, 0x33, 0x33 };
+VECT_VAR_DECL(expected,poly,16,8) [] = { 0x3333, 0x3333, 0x3333, 0x3333,
+ 0x3333, 0x3333, 0x3333, 0x3333 };
+VECT_VAR_DECL(expected,hfloat,32,4) [] = { 0x33333333, 0x33333333,
+ 0x33333333, 0x33333333 };
+
+/* Expected values of cumulative saturation flag. */
+int VECT_VAR(expected_cumulative_sat,int,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,8,8) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,16,4) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,32,2) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat,int,8,16) = 0;
+int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
+int VECT_VAR(expected_cumulative_sat,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,8,16) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,16,8) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,32,4) = 0;
+int VECT_VAR(expected_cumulative_sat,uint,64,2) = 0;
+
+/* 64-bits types, with 0 as second input. */
+VECT_VAR_DECL(expected_64,int,64,1) [] = { 0xfffffffffffffff0 };
+VECT_VAR_DECL(expected_64,uint,64,1) [] = { 0xfffffffffffffff0 };
+VECT_VAR_DECL(expected_64,int,64,2) [] = { 0xfffffffffffffff0,
+ 0xfffffffffffffff1 };
+VECT_VAR_DECL(expected_64,uint,64,2) [] = { 0xfffffffffffffff0,
+ 0xfffffffffffffff1 };
+int VECT_VAR(expected_cumulative_sat_64,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64,uint,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat_64,uint,64,2) = 0;
+
+/* 64-bits types, other cases. */
+VECT_VAR_DECL(expected_64_2,int,64,1) [] = { 0xffffffffffffffac };
+VECT_VAR_DECL(expected_64_2,uint,64,1) [] = { 0xffffffffffffff68 };
+VECT_VAR_DECL(expected_64_2,int,64,2) [] = { 0xffffffffffffffac,
+ 0xffffffffffffffad };
+VECT_VAR_DECL(expected_64_2,uint,64,2) [] = { 0xffffffffffffff68,
+ 0xffffffffffffff69 };
+int VECT_VAR(expected_cumulative_sat_64_2,int,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64_2,uint,64,1) = 0;
+int VECT_VAR(expected_cumulative_sat_64_2,int,64,2) = 0;
+int VECT_VAR(expected_cumulative_sat_64_2,uint,64,2) = 0;
+
+/* 64-bits types, all causing cumulative saturation. */
+VECT_VAR_DECL(expected_64_3,int,64,1) [] = { 0x8000000000000000 };
+VECT_VAR_DECL(expected_64_3,uint,64,1) [] = { 0x0 };
+VECT_VAR_DECL(expected_64_3,int,64,2) [] = { 0x7fffffffffffffff,
+ 0x7fffffffffffffff };
+VECT_VAR_DECL(expected_64_3,uint,64,2) [] = { 0x0, 0x0 };
+int VECT_VAR(expected_cumulative_sat_64_3,int,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,uint,64,1) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,int,64,2) = 1;
+int VECT_VAR(expected_cumulative_sat_64_3,uint,64,2) = 1;
+
+/* smaller types, corner cases causing cumulative saturation. (1) */
+VECT_VAR_DECL(expected_lt_64_1,int,8,8) [] = { 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80 };
+VECT_VAR_DECL(expected_lt_64_1,int,16,4) [] = { 0x8000, 0x8000,
+ 0x8000, 0x8000 };
+VECT_VAR_DECL(expected_lt_64_1,int,32,2) [] = { 0x80000000, 0x80000000 };
+VECT_VAR_DECL(expected_lt_64_1,int,8,16) [] = { 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80 };
+VECT_VAR_DECL(expected_lt_64_1,int,16,8) [] = { 0x8000, 0x8000,
+ 0x8000, 0x8000,
+ 0x8000, 0x8000,
+ 0x8000, 0x8000 };
+VECT_VAR_DECL(expected_lt_64_1,int,32,4) [] = { 0x80000000, 0x80000000,
+ 0x80000000, 0x80000000 };
+int VECT_VAR(expected_csat_lt_64_1,int,8,8) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,16,4) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,32,2) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,8,16) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,16,8) = 1;
+int VECT_VAR(expected_csat_lt_64_1,int,32,4) = 1;
+
+/* smaller types, corner cases causing cumulative saturation. (2) */
+VECT_VAR_DECL(expected_lt_64_2,uint,8,8) [] = { 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_lt_64_2,uint,16,4) [] = { 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_lt_64_2,uint,32,2) [] = { 0x0, 0x0 };
+VECT_VAR_DECL(expected_lt_64_2,uint,8,16) [] = { 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_lt_64_2,uint,16,8) [] = { 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0 };
+VECT_VAR_DECL(expected_lt_64_2,uint,32,4) [] = { 0x0, 0x0, 0x0, 0x0 };
+int VECT_VAR(expected_csat_lt_64_2,uint,8,8) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,16,4) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,32,2) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,8,16) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,16,8) = 1;
+int VECT_VAR(expected_csat_lt_64_2,uint,32,4) = 1;
+
+void vqsub_extras(void)
+{
+ DECL_VARIABLE_ALL_VARIANTS(vector1);
+ DECL_VARIABLE_ALL_VARIANTS(vector2);
+ DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+ /* Initialize input "vector1" from "buffer". */
+ TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector1, buffer);
+
+ /* Use a second vector full of 0. */
+ VDUP(vector2, , int, s, 64, 1, 0x0);
+ VDUP(vector2, , uint, u, 64, 1, 0x0);
+ VDUP(vector2, q, int, s, 64, 2, 0x0);
+ VDUP(vector2, q, uint, u, 64, 2, 0x0);
+
+#define MSG "64 bits saturation when adding zero"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64, MSG);
+
+ /* Another set of tests with non-zero values. */
+ VDUP(vector2, , int, s, 64, 1, 0x44);
+ VDUP(vector2, , uint, u, 64, 1, 0x88);
+ VDUP(vector2, q, int, s, 64, 2, 0x44);
+ VDUP(vector2, q, uint, u, 64, 2, 0x88);
+
+#undef MSG
+#define MSG "64 bits saturation cumulative_sat (2)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64_2, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64_2, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64_2, MSG);
+
+ /* Another set of tests, with input values chosen to set
+ cumulative_sat in all cases. */
+ VDUP(vector2, , int, s, 64, 1, 0x7fffffffffffffffLL);
+ VDUP(vector2, , uint, u, 64, 1, 0xffffffffffffffffULL);
+ /* To check positive saturation, we need to write a positive value
+ in vector1. */
+ VDUP(vector1, q, int, s, 64, 2, 0x3fffffffffffffffLL);
+ VDUP(vector2, q, int, s, 64, 2, 0x8000000000000000LL);
+ VDUP(vector2, q, uint, u, 64, 2, 0xffffffffffffffffULL);
+
+#undef MSG
+#define MSG "64 bits saturation cumulative_sat (3)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2, expected_cumulative_sat_64_3, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2, expected_cumulative_sat_64_3, MSG);
+
+ CHECK(TEST_MSG, int, 64, 1, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, uint, 64, 1, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, int, 64, 2, PRIx64, expected_64_3, MSG);
+ CHECK(TEST_MSG, uint, 64, 2, PRIx64, expected_64_3, MSG);
+
+ /* To improve coverage, check saturation with less than 64 bits
+ too. */
+ VDUP(vector2, , int, s, 8, 8, 0x7F);
+ VDUP(vector2, , int, s, 16, 4, 0x7FFF);
+ VDUP(vector2, , int, s, 32, 2, 0x7FFFFFFF);
+ VDUP(vector2, q, int, s, 8, 16, 0x7F);
+ VDUP(vector2, q, int, s, 16, 8, 0x7FFF);
+ VDUP(vector2, q, int, s, 32, 4, 0x7FFFFFFF);
+
+#undef MSG
+#define MSG "less than 64 bits saturation cumulative_sat (1)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 8, 8, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 16, 4, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 32, 2, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 8, 16, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 16, 8, expected_csat_lt_64_1, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 32, 4, expected_csat_lt_64_1, MSG);
+
+ CHECK(TEST_MSG, int, 8, 8, PRIx8, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 16, 4, PRIx16, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 32, 2, PRIx32, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 8, 16, PRIx8, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 16, 8, PRIx16, expected_lt_64_1, MSG);
+ CHECK(TEST_MSG, int, 32, 4, PRIx32, expected_lt_64_1, MSG);
+
+ /* Another set of tests with vector1 values smaller than
+ vector2. */
+ VDUP(vector1, , uint, u, 8, 8, 0x10);
+ VDUP(vector1, , uint, u, 16, 4, 0x10);
+ VDUP(vector1, , uint, u, 32, 2, 0x10);
+ VDUP(vector1, q, uint, u, 8, 16, 0x10);
+ VDUP(vector1, q, uint, u, 16, 8, 0x10);
+ VDUP(vector1, q, uint, u, 32, 4, 0x10);
+
+ VDUP(vector2, , uint, u, 8, 8, 0x20);
+ VDUP(vector2, , uint, u, 16, 4, 0x20);
+ VDUP(vector2, , uint, u, 32, 2, 0x20);
+ VDUP(vector2, q, uint, u, 8, 16, 0x20);
+ VDUP(vector2, q, uint, u, 16, 8, 0x20);
+ VDUP(vector2, q, uint, u, 32, 4, 0x20);
+
+#undef MSG
+#define MSG "less than 64 bits saturation cumulative_sat (2)"
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 8, 8, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 16, 4, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 32, 2, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 8, 16, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 16, 8, expected_csat_lt_64_2, MSG);
+ TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 32, 4, expected_csat_lt_64_2, MSG);
+
+ CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_lt_64_2, MSG);
+ CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_lt_64_2, MSG);
+}
projects / gcc.git / commitdiff