From a52cf5cf278e4a9e58bfa2bb67a93244766a122f Mon Sep 17 00:00:00 2001 From: Przemyslaw Wirkus Date: Tue, 14 May 2019 08:07:56 +0000 Subject: [PATCH] 2019-05-14 Przemyslaw Wirkus gcc/ * internal-fn.def (SIGNBIT): New. * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand defined. (signbitv4sf2): Likewise. gcc/testsuite/ * gcc.target/aarch64/signbitv4sf.c: New test. * gcc.target/aarch64/signbitv2sf.c: New test. From-SVN: r271149 --- gcc/ChangeLog | 7 ++++ gcc/config/aarch64/aarch64-simd.md | 15 +++++++ gcc/internal-fn.def | 1 + gcc/testsuite/ChangeLog | 5 +++ .../gcc.target/aarch64/signbitv2sf.c | 40 +++++++++++++++++++ .../gcc.target/aarch64/signbitv4sf.c | 38 ++++++++++++++++++ 6 files changed, 106 insertions(+) create mode 100644 gcc/testsuite/gcc.target/aarch64/signbitv2sf.c create mode 100644 gcc/testsuite/gcc.target/aarch64/signbitv4sf.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db8f647ec78..a4568fe1651 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-05-14 Przemyslaw Wirkus + + * internal-fn.def (SIGNBIT): New. + * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand + defined. + (signbitv4sf2): Likewise. + 2019-05-14 Chenghua Xu PR target/90357 diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 2b7a0029146..d4c48d2aa61 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -935,6 +935,21 @@ [(set_attr "type" "neon_ins")] ) +(define_expand "signbit2" + [(use (match_operand: 0 "register_operand")) + (use (match_operand:VDQSF 1 "register_operand"))] + "TARGET_SIMD" +{ + int shift_amount = GET_MODE_UNIT_BITSIZE (mode) - 1; + rtx shift_vector = aarch64_simd_gen_const_vector_dup (mode, + shift_amount); + operands[1] = lowpart_subreg (mode, operands[1], mode); + + emit_insn (gen_aarch64_simd_lshr (operands[0], operands[1], + shift_vector)); + DONE; +}) + (define_insn "aarch64_simd_lshr" [(set (match_operand:VDQ_I 0 "register_operand" "=w") (lshiftrt:VDQ_I (match_operand:VDQ_I 1 "register_operand" "w") diff --git a/gcc/internal-fn.def b/gcc/internal-fn.def index e370eaa8476..016301a58d8 100644 --- a/gcc/internal-fn.def +++ b/gcc/internal-fn.def @@ -217,6 +217,7 @@ DEF_INTERNAL_FLT_FN (LOG10, ECF_CONST, log10, unary) DEF_INTERNAL_FLT_FN (LOG1P, ECF_CONST, log1p, unary) DEF_INTERNAL_FLT_FN (LOG2, ECF_CONST, log2, unary) DEF_INTERNAL_FLT_FN (LOGB, ECF_CONST, logb, unary) +DEF_INTERNAL_FLT_FN (SIGNBIT, ECF_CONST, signbit, unary) DEF_INTERNAL_FLT_FN (SIGNIFICAND, ECF_CONST, significand, unary) DEF_INTERNAL_FLT_FN (SIN, ECF_CONST, sin, unary) DEF_INTERNAL_FLT_FN (SINH, ECF_CONST, sinh, unary) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6c6bbc3b339..b140a5787fb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-05-14 Przemyslaw Wirkus + + * gcc.target/aarch64/signbitv4sf.c: New test. + * gcc.target/aarch64/signbitv2sf.c: New test. + 2019-05-13 Jonathan Wakely * g++.dg/cpp0x/Wattributes1.C: Adjust dg-error line number to fix diff --git a/gcc/testsuite/gcc.target/aarch64/signbitv2sf.c b/gcc/testsuite/gcc.target/aarch64/signbitv2sf.c new file mode 100644 index 00000000000..2587bfedd53 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/signbitv2sf.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-additional-options "-O3 --save-temps" } */ + +extern void abort (); + +#define N 8 +float in[N] = {1.0, -1.0, -2.0, 3.0, -5.0, -8.0, 13.0, 21.0}; +int out[N]; + +void +foo (int *i, float *f) +{ + i[0] = __builtin_signbit (f[0]); + i[1] = __builtin_signbit (f[1]); +} + +/* { dg-final { scan-assembler-not {-2147483648} } } */ +/* { dg-final { scan-assembler {\tushr\tv[0-9]+.2s, v[0-9]+.2s, 31} } } */ + +int +main () +{ + int i; + + foo (out, in); + foo (out + 2, in + 2); + foo (out + 4, in + 4); + foo (out + 6, in + 6); + + for (i = 0; i < N; i++) + { + if (in[i] >= 0.0 && out[i]) + abort (); + if (in[i] < 0.0 && !out[i]) + abort (); + } + + return 0; +} + diff --git a/gcc/testsuite/gcc.target/aarch64/signbitv4sf.c b/gcc/testsuite/gcc.target/aarch64/signbitv4sf.c new file mode 100644 index 00000000000..18cffdc7d5b --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/signbitv4sf.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ +/* { dg-additional-options "-O3 --save-temps" } */ + +extern void abort (); + +#define N 1024 +float in[N] = {1.0, -1.0, -2.0, 3.0, -5.0, -8.0, 13.0, 21.0}; +int out[N]; + +void +foo () +{ + int i; + for (i = 0; i < N; i++) + out[i] = __builtin_signbit (in[i]); +} + +/* { dg-final { scan-assembler-not {-2147483648} } } */ +/* { dg-final { scan-assembler {\tushr\tv[0-9]+.4s, v[0-9]+.4s, 31} } } */ + +int +main () +{ + int i; + + foo (); + + for (i = 0; i < N; i++) + { + if (in[i] >= 0.0 && out[i]) + abort (); + if (in[i] < 0.0 && !out[i]) + abort (); + } + + return 0; +} + -- 2.30.2