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authorRichard Henderson <richard.henderson@linaro.org>2018-06-29 15:11:11 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-06-29 15:11:11 +0100
commitec5b375bb5a0e35c0c21dc9dd1d82894269ce215 (patch)
treeec3e24d54fb00f23a2d09d3687708ffc4403e8ba
parentcda3c75322c6fae1cc5b367ee6d7acf2cbdbcf2b (diff)
target/arm: Implement SVE floating-point unary operations
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180627043328.11531-27-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper-sve.h14
-rw-r--r--target/arm/sve.decode4
-rw-r--r--target/arm/sve_helper.c8
-rw-r--r--target/arm/translate-sve.c26
4 files changed, 52 insertions, 0 deletions
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index 36168c5bb2..891346a5ac 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -999,6 +999,20 @@ DEF_HELPER_FLAGS_5(sve_frintx_s, TCG_CALL_NO_RWG,
DEF_HELPER_FLAGS_5(sve_frintx_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve_frecpx_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve_frecpx_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve_frecpx_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve_fsqrt_h, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve_fsqrt_s, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve_fsqrt_d, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
DEF_HELPER_FLAGS_5(sve_scvt_hh, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_scvt_sh, TCG_CALL_NO_RWG,
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index e45faaec3a..2aca9f0bb0 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -854,6 +854,10 @@ FRINTA 01100101 .. 000 100 101 ... ..... ..... @rd_pg_rn
FRINTX 01100101 .. 000 110 101 ... ..... ..... @rd_pg_rn
FRINTI 01100101 .. 000 111 101 ... ..... ..... @rd_pg_rn
+# SVE floating-point unary operations
+FRECPX 01100101 .. 001 100 101 ... ..... ..... @rd_pg_rn
+FSQRT 01100101 .. 001 101 101 ... ..... ..... @rd_pg_rn
+
# SVE integer convert to floating-point
SCVTF_hh 01100101 01 010 01 0 101 ... ..... ..... @rd_pg_rn_e0
SCVTF_sh 01100101 01 010 10 0 101 ... ..... ..... @rd_pg_rn_e0
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index af8221c714..83bd8c4269 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -3298,6 +3298,14 @@ DO_ZPZ_FP(sve_frintx_h, uint16_t, H1_2, float16_round_to_int)
DO_ZPZ_FP(sve_frintx_s, uint32_t, H1_4, float32_round_to_int)
DO_ZPZ_FP(sve_frintx_d, uint64_t, , float64_round_to_int)
+DO_ZPZ_FP(sve_frecpx_h, uint16_t, H1_2, helper_frecpx_f16)
+DO_ZPZ_FP(sve_frecpx_s, uint32_t, H1_4, helper_frecpx_f32)
+DO_ZPZ_FP(sve_frecpx_d, uint64_t, , helper_frecpx_f64)
+
+DO_ZPZ_FP(sve_fsqrt_h, uint16_t, H1_2, float16_sqrt)
+DO_ZPZ_FP(sve_fsqrt_s, uint32_t, H1_4, float32_sqrt)
+DO_ZPZ_FP(sve_fsqrt_d, uint64_t, , float64_sqrt)
+
DO_ZPZ_FP(sve_scvt_hh, uint16_t, H1_2, int16_to_float16)
DO_ZPZ_FP(sve_scvt_sh, uint32_t, H1_4, int32_to_float16)
DO_ZPZ_FP(sve_scvt_ss, uint32_t, H1_4, int32_to_float32)
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 02ff41fb70..b11b6326b9 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -4117,6 +4117,32 @@ static bool trans_FRINTA(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
return do_frint_mode(s, a, float_round_ties_away);
}
+static bool trans_FRECPX(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
+{
+ static gen_helper_gvec_3_ptr * const fns[3] = {
+ gen_helper_sve_frecpx_h,
+ gen_helper_sve_frecpx_s,
+ gen_helper_sve_frecpx_d
+ };
+ if (a->esz == 0) {
+ return false;
+ }
+ return do_zpz_ptr(s, a->rd, a->rn, a->pg, a->esz == MO_16, fns[a->esz - 1]);
+}
+
+static bool trans_FSQRT(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
+{
+ static gen_helper_gvec_3_ptr * const fns[3] = {
+ gen_helper_sve_fsqrt_h,
+ gen_helper_sve_fsqrt_s,
+ gen_helper_sve_fsqrt_d
+ };
+ if (a->esz == 0) {
+ return false;
+ }
+ return do_zpz_ptr(s, a->rd, a->rn, a->pg, a->esz == MO_16, fns[a->esz - 1]);
+}
+
static bool trans_SCVTF_hh(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
{
return do_zpz_ptr(s, a->rd, a->rn, a->pg, true, gen_helper_sve_scvt_hh);