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authorPeter Maydell <peter.maydell@linaro.org>2020-08-28 19:33:15 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-09-01 11:19:32 +0100
commit9886fe2834b064a3cf0675a4659942ed547aed42 (patch)
tree3b3efa0b4fa2f302541c42cc7d123ec4a11e6d00 /target/arm/vfp_helper.c
parent2aa8dcfa14558fe2a63ed0496d60b02565c9a225 (diff)
downloadqemu-arm-9886fe2834b064a3cf0675a4659942ed547aed42.tar.gz
target/arm: Implement VFP fp16 for fused-multiply-add
Implement VFP fp16 support for fused multiply-add insns VFNMA, VFNMS, VFMA, VFMS. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200828183354.27913-7-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/vfp_helper.c')
-rw-r--r--target/arm/vfp_helper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c
index f93ddf0b20..579ca3832d 100644
--- a/target/arm/vfp_helper.c
+++ b/target/arm/vfp_helper.c
@@ -1062,6 +1062,13 @@ uint32_t HELPER(rsqrte_u32)(uint32_t a)
}
/* VFPv4 fused multiply-accumulate */
+dh_ctype_f16 VFP_HELPER(muladd, h)(dh_ctype_f16 a, dh_ctype_f16 b,
+ dh_ctype_f16 c, void *fpstp)
+{
+ float_status *fpst = fpstp;
+ return float16_muladd(a, b, c, 0, fpst);
+}
+
float32 VFP_HELPER(muladd, s)(float32 a, float32 b, float32 c, void *fpstp)
{
float_status *fpst = fpstp;