32e6461dc6
Floating point test instructions allow special cases (NaN, ±∞ and a few other useful properties) to be checked directly. This CL adds the following instructions to the assembler: * LTEBR - load and test (float32) * LTDBR - load and test (float64) * TCEB - test data class (float32) * TCDB - test data class (float64) Note that I have only added immediate versions of the 'test data class' instructions for now as that's the only case I think the compiler will use. Change-Id: I3398aab2b3a758bf909bd158042234030c8af582 Reviewed-on: https://go-review.googlesource.com/104457 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Michael Munday <mike.munday@ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> |
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