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Re: [Qemu-devel] [V7 PATCH 18/18] target-ppc: Scalar Non-Signalling Conv
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [V7 PATCH 18/18] target-ppc: Scalar Non-Signalling Conversions |
Date: |
Wed, 15 Jan 2014 13:26:30 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 01/15/2014 06:10 AM, Tom Musta wrote:
> This patch adds the non-signalling scalar conversion instructions:
>
> - VSX Scalar Convert Single Precision to Double Precision
> Non-Signalling (xscvspdpn)
> - VSX Scalar Convert Double Precision to Single Precision
> Non-Signalling (xscvdpspn)
>
> Signed-off-by: Tom Musta <address@hidden>
> ---
> V6: New.
>
> V7: Adjusted helper signatures per Richard Henderson's review.
Reviewed-by: Richard Henderson <address@hidden>
> +DEF_HELPER_2(xscvdpspn, i64, env, i64)
> DEF_HELPER_2(xscvspdp, void, env, i32)
> +DEF_HELPER_2(xscvspdpn, i64, env, i64)
Something else for future cleanup, along with changing any other vsx scalar
operation according to this by-value sort of signature is to add proper helper
flags. Since these neither raise exceptions nor set fp status bits, use
DEF_HELPER_FLAGS_2(xscvdpspn, TCG_CALL_NO_RWG_SE, i64, env, i64)
r~
- [Qemu-devel] [V7 PATCH 14/18] target-ppc: VSX Stage 4: Add xxleqv, xxlnand and xxlorc, (continued)
- [Qemu-devel] [V7 PATCH 14/18] target-ppc: VSX Stage 4: Add xxleqv, xxlnand and xxlorc, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 13/18] target-ppc: VSX Stage 4: Add xscvsxdsp and xscvuxdsp, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 12/18] target-ppc: VSX Stage 4: Add Scalar SP Fused Multiply-Adds, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 15/18] target-ppc: Move To/From VSR Instructions, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 16/18] target-ppc: Floating Merge Word Instructions, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 17/18] target-ppc: Scalar Round to Single Precision, Tom Musta, 2014/01/15
- [Qemu-devel] [V7 PATCH 18/18] target-ppc: Scalar Non-Signalling Conversions, Tom Musta, 2014/01/15
- Re: [Qemu-devel] [V7 PATCH 18/18] target-ppc: Scalar Non-Signalling Conversions,
Richard Henderson <=
- Re: [Qemu-devel] [Qemu-ppc] [V7 PATCH 00/18] target-ppc: VSX Stage 4, Alexander Graf, 2014/01/27