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Re: [Qemu-devel] [PULL 03/18] target-alpha: Store IOV exception in fp_st
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PULL 03/18] target-alpha: Store IOV exception in fp_status |
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Date: |
Wed, 9 Jul 2014 17:28:10 +0100 |
On 9 July 2014 17:20, Richard Henderson <address@hidden> wrote:
> We were not representing the IOV (integer overflow) exception at all.
> For ease of implementation, allocate a generic bit in softfloat, even
> though softfloat will never raise the exception itself.
I don't think we should use softfloat flag bits for keeping
information which isn't about softfloat's status. Why can't
you just put this in the per-CPU state?
thanks
-- PMM
- [Qemu-devel] [PULL 11/18] target-alpha: Disallow literal operand to 1C.30 to 1C.37, (continued)
- [Qemu-devel] [PULL 11/18] target-alpha: Disallow literal operand to 1C.30 to 1C.37, Richard Henderson, 2014/07/09
- [Qemu-devel] [PULL 17/18] target-alpha: Fix fpcr_flush_to_zero initialization, Richard Henderson, 2014/07/09
- [Qemu-devel] [PULL 18/18] target-alpha: Remove DNOD bit from FPCR, Richard Henderson, 2014/07/09
- [Qemu-devel] [PULL 09/18] target-alpha: Fix integer overflow checking insns, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 05/18] target-alpha: Set EXC_M_SWC for exceptions from /S insns, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 14/18] target-alpha: Suppress underflow from CVTTQ if DNZ, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 13/18] target-alpha: Raise EXC_M_INV properly for fp inputs, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 01/18] target-alpha: Forget installed round mode after MT_FPCR, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 12/18] target-alpha: Ignore the unused fp_status exceptions, Richard Henderson, 2014/07/10
- [Qemu-devel] [PULL 03/18] target-alpha: Store IOV exception in fp_status, Richard Henderson, 2014/07/10
- Re: [Qemu-devel] [PULL 03/18] target-alpha: Store IOV exception in fp_status,
Peter Maydell <=