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| author | Peter Maydell <peter.maydell@linaro.org> | 2019-06-11 16:39:47 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-06-13 15:14:05 +0100 |
| commit | 8a483533adc1bdc2decb8f456dbe930a2d245a8b (patch) | |
| tree | f67d9a34d949998c841409e36e710319a0f2c84e /target/arm/translate.c | |
| parent | c54a416cc6d60efbc79dd37aaf0c8918c05b5815 (diff) | |
target/arm: Convert VFP VNMLA to decodetree
Convert the VFP VNMLA instruction to decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index b85baec0de..93e6725320 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -1393,16 +1393,6 @@ VFP_OP2(div) #undef VFP_OP2 -static inline void gen_vfp_F1_neg(int dp) -{ - /* Like gen_vfp_neg() but put result in F1 */ - if (dp) { - gen_helper_vfp_negd(cpu_F1d, cpu_F0d); - } else { - gen_helper_vfp_negs(cpu_F1s, cpu_F0s); - } -} - static inline void gen_vfp_abs(int dp) { if (dp) @@ -3122,7 +3112,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn) rn = VFP_SREG_N(insn); switch (op) { - case 0 ... 2: + case 0 ... 3: /* Already handled by decodetree */ return 1; default: @@ -3308,13 +3298,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn) for (;;) { /* Perform the calculation. */ switch (op) { - case 3: /* VNMLA: -fd + -(fn * fm) */ - gen_vfp_mul(dp); - gen_vfp_F1_neg(dp); - gen_mov_F0_vreg(dp, rd); - gen_vfp_neg(dp); - gen_vfp_add(dp); - break; case 4: /* mul: fn * fm */ gen_vfp_mul(dp); break; |