From: Alan Lawrence Date: Wed, 29 Apr 2015 16:10:27 +0000 (+0000) Subject: [AArch64] Fix PR/65770 vstN_lane on bigendian X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aaf3de7ab2aac4b0b4c5a4fb260ca1955350a360;p=gcc.git [AArch64] Fix PR/65770 vstN_lane on bigendian gcc/: * config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane, vec_store_lanesci_lane, vec_store_lanesxi_lane): Flip lane index back at assembly time for bigendian. gcc/testsuite/: * gcc.target/aarch64/vstN_lane_1.c: New file. From-SVN: r222582 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 11cb62ae7bb..aaa06c36a72 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-04-29 Alan Lawrence + + PR target/65770 + * config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane, + vec_store_lanesci_lane, vec_store_lanesxi_lane): + Flip lane index back at assembly time for bigendian. + 2015-04-29 Thomas Schwinge * tree.h (OMP_STANDALONE_CLAUSES): New macro. diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 055757036d5..b84374443a0 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -3954,6 +3954,7 @@ [(set_attr "type" "neon_store2_2reg")] ) +;; RTL uses GCC vector extension indices, so flip only for assembly. (define_insn "vec_store_lanesoi_lane" [(set (match_operand: 0 "aarch64_simd_struct_operand" "=Utv") (unspec: [(match_operand:OI 1 "register_operand" "w") @@ -3961,7 +3962,10 @@ (match_operand:SI 2 "immediate_operand" "i")] UNSPEC_ST2_LANE))] "TARGET_SIMD" - "st2\\t{%S1. - %T1.}[%2], %0" + { + operands[2] = GEN_INT (ENDIAN_LANE_N (mode, INTVAL (operands[2]))); + return "st2\\t{%S1. - %T1.}[%2], %0"; + } [(set_attr "type" "neon_store3_one_lane")] ) @@ -4045,6 +4049,7 @@ [(set_attr "type" "neon_store3_3reg")] ) +;; RTL uses GCC vector extension indices, so flip only for assembly. (define_insn "vec_store_lanesci_lane" [(set (match_operand: 0 "aarch64_simd_struct_operand" "=Utv") (unspec: [(match_operand:CI 1 "register_operand" "w") @@ -4052,7 +4057,10 @@ (match_operand:SI 2 "immediate_operand" "i")] UNSPEC_ST3_LANE))] "TARGET_SIMD" - "st3\\t{%S1. - %U1.}[%2], %0" + { + operands[2] = GEN_INT (ENDIAN_LANE_N (mode, INTVAL (operands[2]))); + return "st3\\t{%S1. - %U1.}[%2], %0"; + } [(set_attr "type" "neon_store3_one_lane")] ) @@ -4136,6 +4144,7 @@ [(set_attr "type" "neon_store4_4reg")] ) +;; RTL uses GCC vector extension indices, so flip only for assembly. (define_insn "vec_store_lanesxi_lane" [(set (match_operand: 0 "aarch64_simd_struct_operand" "=Utv") (unspec: [(match_operand:XI 1 "register_operand" "w") @@ -4143,7 +4152,10 @@ (match_operand:SI 2 "immediate_operand" "i")] UNSPEC_ST4_LANE))] "TARGET_SIMD" - "st4\\t{%S1. - %V1.}[%2], %0" + { + operands[2] = GEN_INT (ENDIAN_LANE_N (mode, INTVAL (operands[2]))); + return "st4\\t{%S1. - %V1.}[%2], %0"; + } [(set_attr "type" "neon_store4_one_lane")] ) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index df61b1c15b9..7ade07c7f1d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-04-29 Alan Lawrence + + PR target/65770 + * gcc.target/aarch64/vstN_lane_1.c: New file. + 2015-04-29 Paolo Carlini PR c++/64667 diff --git a/gcc/testsuite/gcc.target/aarch64/vstN_lane_1.c b/gcc/testsuite/gcc.target/aarch64/vstN_lane_1.c new file mode 100644 index 00000000000..a695aa19540 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/vstN_lane_1.c @@ -0,0 +1,75 @@ +/* { dg-do run } */ +/* { dg-options "-O3 -fno-inline" } */ + +#include + +extern void abort (void); + +#define VARIANTS(VARIANT, STRUCT) \ +VARIANT (uint8, , 8, _u8, 6, STRUCT) \ +VARIANT (uint16, , 4, _u16, 3, STRUCT) \ +VARIANT (uint32, , 2, _u32, 1, STRUCT) \ +VARIANT (uint64, , 1, _u64, 0, STRUCT) \ +VARIANT (int8, , 8, _s8, 5, STRUCT) \ +VARIANT (int16, , 4, _s16, 2, STRUCT) \ +VARIANT (int32, , 2, _s32, 0, STRUCT) \ +VARIANT (int64, , 1, _s64, 0, STRUCT) \ +VARIANT (poly8, , 8, _p8, 7, STRUCT) \ +VARIANT (poly16, , 4, _p16, 1, STRUCT) \ +VARIANT (float32, , 2, _f32, 1, STRUCT) \ +VARIANT (float64, , 1, _f64, 0, STRUCT) \ +VARIANT (uint8, q, 16, _u8, 14, STRUCT) \ +VARIANT (uint16, q, 8, _u16, 4, STRUCT) \ +VARIANT (uint32, q, 4, _u32, 3, STRUCT) \ +VARIANT (uint64, q, 2, _u64, 0, STRUCT) \ +VARIANT (int8, q, 16, _s8, 13, STRUCT) \ +VARIANT (int16, q, 8, _s16, 6, STRUCT) \ +VARIANT (int32, q, 4, _s32, 2, STRUCT) \ +VARIANT (int64, q, 2, _s64, 1, STRUCT) \ +VARIANT (poly8, q, 16, _p8, 12, STRUCT) \ +VARIANT (poly16, q, 8, _p16, 5, STRUCT) \ +VARIANT (float32, q, 4, _f32, 1, STRUCT)\ +VARIANT (float64, q, 2, _f64, 0, STRUCT) + +#define TESTMETH(BASE, Q, ELTS, SUFFIX, LANE, STRUCT) \ +int \ +test_vst##STRUCT##Q##_lane##SUFFIX (const BASE##_t *data) \ +{ \ + BASE##x##ELTS##x##STRUCT##_t vectors; \ + for (int i = 0; i < STRUCT; i++, data += ELTS) \ + vectors.val[i] = vld1##Q##SUFFIX (data); \ + BASE##_t temp[STRUCT]; \ + vst##STRUCT##Q##_lane##SUFFIX (temp, vectors, LANE); \ + for (int i = 0; i < STRUCT; i++) \ + { \ + if (temp[i] != vget##Q##_lane##SUFFIX (vectors.val[i], LANE)) \ + return 1; \ + } \ + return 0; \ +} + +/* Tests of vst2_lane and vst2q_lane. */ +VARIANTS (TESTMETH, 2) +/* Tests of vst3_lane and vst3q_lane. */ +VARIANTS (TESTMETH, 3) +/* Tests of vst4_lane and vst4q_lane. */ +VARIANTS (TESTMETH, 4) + +#define CHECK(BASE, Q, ELTS, SUFFIX, LANE, STRUCT) \ + if (test_vst##STRUCT##Q##_lane##SUFFIX ((const BASE##_t *)orig_data)) \ + abort (); + +int +main (int argc, char **argv) +{ + /* Original data for all vector formats. */ + uint64_t orig_data[8] = {0x1234567890abcdefULL, 0x13579bdf02468aceULL, + 0x012389ab4567cdefULL, 0xfeeddadacafe0431ULL, + 0x1032547698badcfeULL, 0xbadbadbadbad0badULL, + 0x0102030405060708ULL, 0x0f0e0d0c0b0a0908ULL}; + + VARIANTS (CHECK, 2); + VARIANTS (CHECK, 3); + VARIANTS (CHECK, 4); + return 0; +}