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From: Richard Henderson <rth@twiddle.net>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2 08/19] target-alpha: use new	float64_unordered_quiet() function
Date: Thu, 14 Apr 2011 09:35:31 -0700	[thread overview]
Message-ID: <4DA72253.1040407@twiddle.net> (raw)
In-Reply-To: <1302736274-2908-9-git-send-email-aurelien@aurel32.net>

On 04/13/2011 04:11 PM, Aurelien Jarno wrote:
> Use float64_unordered_quiet() in helper_cmptun() instead of doing the
> the comparison manually.
> 
> According to the "Alpha Compiler Writer's Guide", we should use the
> _quiet version here, as CMPTUN and CMPTEQ should generate InvalidOp
> for SNaNs but not for QNaNs.
> 
> Thanks to Peter Maydell <peter.maydell@linaro.org> and Richard
> Henderson <rth@twiddle.net> for digging into the manuals.
> 
> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

Acked-by: Richard Henderson  <rth@twiddle.net>



r~

  reply	other threads:[~2011-04-14 16:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-13 23:10 [Qemu-devel] [PATCH v2 00/19] softfloat and FPU fixes/improvements Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 01/19] softfloat: use GCC builtins to count the leading zeros Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 02/19] cpu-all.h: define CPU_LDoubleU Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 03/19] target-i386: use CPU_LDoubleU instead of a private union Aurelien Jarno
2011-04-13 23:10 ` [Qemu-devel] [PATCH v2 04/19] target-i386: use float unions from cpu-all.h Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 05/19] target-i386: add floatx_{add, mul, sub} and use them Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 06/19] softfloat: add float*_unordered_{, quiet}() functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 07/19] softfloat-native: add float*_unordered_quiet() functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 08/19] target-alpha: use new float64_unordered_quiet() function Aurelien Jarno
2011-04-14 16:35   ` Richard Henderson [this message]
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 09/19] target-mips: use new float*_unordered*() functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 10/19] target-i386: fix CMPUNORDPS/D and CMPORDPS/D instructions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 11/19] softfloat: rename float*_eq() into float*_eq_quiet() Aurelien Jarno
2011-04-14  8:54   ` Edgar E. Iglesias
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 12/19] softfloat: rename float*_eq_signaling() into float*_eq() Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 13/19] softfloat: move float*_eq and float*_eq_quiet Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 14/19] softfloat: improve description of comparison functions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 15/19] target-ppc: fix SPE " Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 16/19] target-mips: simplify FP comparisons Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 17/19] target-mips: don't hardcode softfloat exception bits Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 18/19] target-mips: fix c.ps.* instructions Aurelien Jarno
2011-04-13 23:11 ` [Qemu-devel] [PATCH v2 19/19] target-mips: clear softfpu exception state for comparison instructions Aurelien Jarno

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