646c3eee06
The FNES and FNED instructions are pseudo-instructions, which the assembler expands to FEQS/NEG or FEQD/NEG - if we're comparing the result via a branch instruction, we can avoid an instruction by negating both the branch comparision and the floating point comparision. This only removes a handful of instructions from the Go binary, however, it will provide benefit to floating point intensive code. Change-Id: I4e3124440b7659acc4d9bc9948b755a4900a422f Reviewed-on: https://go-review.googlesource.com/c/go/+/426261 Reviewed-by: Meng Zhuo <mzh@golangcn.org> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Joel Sing <joel@sing.id.au> Run-TryBot: Meng Zhuo <mzh@golangcn.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Heschi Kreinick <heschi@google.com> |
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The Go Programming Language
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