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authorAlex Bennée <alex.bennee@linaro.org>2018-03-01 11:05:50 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-01 11:13:59 +0000
commit2deb992b767d28035fac3b374c7730494ff0b43d (patch)
tree6532e07e909ea79bb9e1587c9432dda73bdfe5b4 /target/arm/translate-a64.c
parentd32adeae1a71a8e71374fa48d3d6ab0ad4c23e94 (diff)
downloadqemu-2deb992b767d28035fac3b374c7730494ff0b43d.tar.gz
arm/translate-a64: add FP16 FMULA/X/S to simd_three_reg_same_fp16
Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-12-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-a64.c')
-rw-r--r--target/arm/translate-a64.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index fb74dc1c45..0e2d298687 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -10286,9 +10286,17 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn)
case 0x0: /* FMAXNM */
gen_helper_advsimd_maxnumh(tcg_res, tcg_op1, tcg_op2, fpst);
break;
+ case 0x1: /* FMLA */
+ read_vec_element_i32(s, tcg_res, rd, pass, MO_16);
+ gen_helper_advsimd_muladdh(tcg_res, tcg_op1, tcg_op2, tcg_res,
+ fpst);
+ break;
case 0x2: /* FADD */
gen_helper_advsimd_addh(tcg_res, tcg_op1, tcg_op2, fpst);
break;
+ case 0x3: /* FMULX */
+ gen_helper_advsimd_mulxh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
case 0x4: /* FCMEQ */
gen_helper_advsimd_ceq_f16(tcg_res, tcg_op1, tcg_op2, fpst);
break;
@@ -10298,6 +10306,13 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn)
case 0x8: /* FMINNM */
gen_helper_advsimd_minnumh(tcg_res, tcg_op1, tcg_op2, fpst);
break;
+ case 0x9: /* FMLS */
+ /* As usual for ARM, separate negation for fused multiply-add */
+ tcg_gen_xori_i32(tcg_op1, tcg_op1, 0x8000);
+ read_vec_element_i32(s, tcg_res, rd, pass, MO_16);
+ gen_helper_advsimd_muladdh(tcg_res, tcg_op1, tcg_op2, tcg_res,
+ fpst);
+ break;
case 0xa: /* FSUB */
gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst);
break;