[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 7/9] target/arm: Implement FCVT (scalar, fixed-point
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 7/9] target/arm: Implement FCVT (scalar, fixed-point) for fp16 |
Date: |
Tue, 24 Apr 2018 15:22:58 -1000 |
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/translate-a64.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 4f6317aa0f..794ede7222 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -5372,8 +5372,7 @@ static void disas_fp_fixed_conv(DisasContext *s, uint32_t
insn)
bool sf = extract32(insn, 31, 1);
bool itof;
- if (sbit || (type > 1)
- || (!sf && scale < 32)) {
+ if (sbit || (!sf && scale < 32)) {
unallocated_encoding(s);
return;
}
@@ -5392,6 +5391,20 @@ static void disas_fp_fixed_conv(DisasContext *s,
uint32_t insn)
return;
}
+ switch (type) {
+ case 0: /* float32 */
+ case 1: /* float64 */
+ break;
+ case 3: /* float16 */
+ if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) {
+ break;
+ }
+ /* fallthru */
+ default:
+ unallocated_encoding(s);
+ return;
+ }
+
if (!fp_access_check(s)) {
return;
}
--
2.14.3
- [Qemu-devel] [PATCH 0/9] target/arm: Fixups for ARM_FEATURE_V8_FP16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 2/9] target/arm: Implement vector shifted FCVT for fp16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 3/9] target/arm: Fix float16 to/from int16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 4/9] target/arm: Clear SVE high bits for FMOV, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 1/9] target/arm: Implement vector shifted SCVF/UCVF for fp16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 5/9] target/arm: Implement FMOV (general) for fp16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 7/9] target/arm: Implement FCVT (scalar, fixed-point) for fp16,
Richard Henderson <=
- [Qemu-devel] [PATCH 8/9] target/arm: Implement FP data-processing (2 source) for fp16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 6/9] target/arm: Implement FCVT (scalar, integer) for fp16, Richard Henderson, 2018/04/24
- [Qemu-devel] [PATCH 9/9] target/arm: Implement FP data-processing (3 source) for fp16, Richard Henderson, 2018/04/24
- Re: [Qemu-devel] [PATCH 0/9] target/arm: Fixups for ARM_FEATURE_V8_FP16, no-reply, 2018/04/24
- Re: [Qemu-devel] [PATCH 0/9] target/arm: Fixups for ARM_FEATURE_V8_FP16, Alex Bennée, 2018/04/25
- Re: [Qemu-devel] [PATCH 0/9] target/arm: Fixups for ARM_FEATURE_V8_FP16, Alex Bennée, 2018/04/27