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target/arm: Implement MVE VSUB, VMUL, VABD, VMAXNM, VMINNM 

Implement more simple 2-operand floating point MVE insns.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2021-09-01 09:02:34 +01:00
parent 1e35cd9166
commit 82af0153d3
4 changed files with 42 additions and 0 deletions
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15
target/arm/helper-mve.h
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@ -413,6 +413,21 @@ DEF_HELPER_FLAGS_4(mve_vhcadd270w, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfaddh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfadds, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfsubh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfsubs, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfmulh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfmuls, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfabdh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vfabds, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vmaxnmh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vmaxnms, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vminnmh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vminnms, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr)
DEF_HELPER_FLAGS_4(mve_vadd_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(mve_vadd_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32)

6
target/arm/mve.decode
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@ -625,3 +625,9 @@ VCMPLE_scalar 1111 1110 0 . .. ... 1 ... 1 1111 1 1 1 0 .... @vcmp_scalar
# 2-operand FP
VADD_fp 1110 1111 0 . 0 . ... 0 ... 0 1101 . 1 . 0 ... 0 @2op_fp
VSUB_fp 1110 1111 0 . 1 . ... 0 ... 0 1101 . 1 . 0 ... 0 @2op_fp
VMUL_fp 1111 1111 0 . 0 . ... 0 ... 0 1101 . 1 . 1 ... 0 @2op_fp
VABD_fp 1111 1111 0 . 1 . ... 0 ... 0 1101 . 1 . 0 ... 0 @2op_fp
VMAXNM 1111 1111 0 . 0 . ... 0 ... 0 1111 . 1 . 1 ... 0 @2op_fp
VMINNM 1111 1111 0 . 1 . ... 0 ... 0 1111 . 1 . 1 ... 0 @2op_fp

16
target/arm/mve_helper.c
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@ -2838,3 +2838,19 @@ DO_VMAXMINA(vminaw, 4, int32_t, uint32_t, DO_MIN)
DO_2OP_FP(OP##s, 4, float32, float32_##FN)
DO_2OP_FP_ALL(vfadd, add)
DO_2OP_FP_ALL(vfsub, sub)
DO_2OP_FP_ALL(vfmul, mul)
static inline float16 float16_abd(float16 a, float16 b, float_status *s)
{
return float16_abs(float16_sub(a, b, s));
}
static inline float32 float32_abd(float32 a, float32 b, float_status *s)
{
return float32_abs(float32_sub(a, b, s));
}
DO_2OP_FP_ALL(vfabd, abd)
DO_2OP_FP_ALL(vmaxnm, maxnum)
DO_2OP_FP_ALL(vminnm, minnum)

5
target/arm/translate-mve.c
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@ -847,6 +847,11 @@ static bool trans_VSBCI(DisasContext *s, arg_2op *a)
}
DO_2OP_FP(VADD_fp, vfadd)
DO_2OP_FP(VSUB_fp, vfsub)
DO_2OP_FP(VMUL_fp, vfmul)
DO_2OP_FP(VABD_fp, vfabd)
DO_2OP_FP(VMAXNM, vmaxnm)
DO_2OP_FP(VMINNM, vminnm)
static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
MVEGenTwoOpScalarFn fn)