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[Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
From
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Gaurav Sharma
Subject
:
[Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
Date
:
Fri, 8 Aug 2014 15:32:01 +0530
Hi,
I am trying to test the floating point instruction for arm in qemu.
For floating point reciprocal estimate instruction, for a64 i see a check for underflow condition in float64 HELPER(recpe_f64) method :
" else if (f64_exp >= 1023 && fpst->flush_to_zero) "
1. how do we calculate the value to determine underflow ?
2. Is the number 1023 correct for a64 ?
Thanks,
Gaurav
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[Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
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Gaurav Sharma
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Re: [Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
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Peter Maydell
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2014/08/08
Re: [Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
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Peter Maydell
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2014/08/08
Re: [Qemu-devel] Checking underflow condition for FRCPE instr [AARCH64]
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Gaurav Sharma
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2014/08/08
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