diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2020-08-28 19:33:41 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-09-01 11:37:59 +0100 |
| commit | 635187aaa92f21ab001e2868e803b3c5460261ca (patch) | |
| tree | c6b46fb51b255b5e549dab11dea05191cc8314d3 /target/arm/vec_helper.c | |
| parent | cf722d75b329ef3f86b869e7e68cbfb1607b3bde (diff) | |
target/arm: Implement fp16 for Neon fp compare-vs-0
Convert the neon floating-point vector compare-vs-0 insns VCEQ0,
VCGT0, VCLE0, VCGE0 and VCLT0 to use a gvec helper, and use this to
implement the fp16 case.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200828183354.27913-33-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/vec_helper.c')
| -rw-r--r-- | target/arm/vec_helper.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index 995f09fb71..072bcd1a9d 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -730,7 +730,32 @@ DO_2OP(gvec_frsqrte_h, helper_rsqrte_f16, float16) DO_2OP(gvec_frsqrte_s, helper_rsqrte_f32, float32) DO_2OP(gvec_frsqrte_d, helper_rsqrte_f64, float64) +#define WRAP_CMP0_FWD(FN, CMPOP, TYPE) \ + static TYPE TYPE##_##FN##0(TYPE op, float_status *stat) \ + { \ + return TYPE##_##CMPOP(op, TYPE##_zero, stat); \ + } + +#define WRAP_CMP0_REV(FN, CMPOP, TYPE) \ + static TYPE TYPE##_##FN##0(TYPE op, float_status *stat) \ + { \ + return TYPE##_##CMPOP(TYPE##_zero, op, stat); \ + } + +#define DO_2OP_CMP0(FN, CMPOP, DIRN) \ + WRAP_CMP0_##DIRN(FN, CMPOP, float16) \ + WRAP_CMP0_##DIRN(FN, CMPOP, float32) \ + DO_2OP(gvec_f##FN##0_h, float16_##FN##0, float16) \ + DO_2OP(gvec_f##FN##0_s, float32_##FN##0, float32) + +DO_2OP_CMP0(cgt, cgt, FWD) +DO_2OP_CMP0(cge, cge, FWD) +DO_2OP_CMP0(ceq, ceq, FWD) +DO_2OP_CMP0(clt, cgt, REV) +DO_2OP_CMP0(cle, cge, REV) + #undef DO_2OP +#undef DO_2OP_CMP0 /* Floating-point trigonometric starting value. * See the ARM ARM pseudocode function FPTrigSMul. |