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authorPeter Maydell2020-08-28 20:33:32 +0200
committerPeter Maydell2020-09-01 12:19:32 +0200
commite4a6d4a69e239becfd83bdcd996476e7b8e1138d (patch)
tree21431394aad0edec16f00c7ec88302a6fcbc8c6a /target/arm/vec_helper.c
parenttarget/arm: Implement VFP fp16 VMOV between gp and halfprec registers (diff)
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target/arm: Implement FP16 for Neon VADD, VSUB, VABD, VMUL
Implement FP16 support for the Neon insns which use the DO_3S_FP_GVEC macro: VADD, VSUB, VABD, VMUL. For VABD this requires us to implement a new gvec_fabd_h helper using the machinery we have already for the other helpers. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200828183354.27913-24-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/vec_helper.c')
-rw-r--r--target/arm/vec_helper.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index a6c53d2ab6..988d5784e8 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -707,6 +707,11 @@ static float64 float64_ftsmul(float64 op1, uint64_t op2, float_status *stat)
return result;
}
+static float16 float16_abd(float16 op1, float16 op2, float_status *stat)
+{
+ return float16_abs(float16_sub(op1, op2, stat));
+}
+
static float32 float32_abd(float32 op1, float32 op2, float_status *stat)
{
return float32_abs(float32_sub(op1, op2, stat));
@@ -739,6 +744,7 @@ DO_3OP(gvec_ftsmul_h, float16_ftsmul, float16)
DO_3OP(gvec_ftsmul_s, float32_ftsmul, float32)
DO_3OP(gvec_ftsmul_d, float64_ftsmul, float64)
+DO_3OP(gvec_fabd_h, float16_abd, float16)
DO_3OP(gvec_fabd_s, float32_abd, float32)
#ifdef TARGET_AARCH64