de4edf3de7
Popcnt has false dependency on output register and generates MOVQ $0, reg to break it. But recently we switched MOVQ $0, reg encoding from xor reg, reg to actual mov $0, reg. This CL updates code generation for popcnt to use actual XOR. Change-Id: I4c1fc11e85758b53ba2679165fa55614ec54b27d Reviewed-on: https://go-review.googlesource.com/82516 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> |
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The Go Programming Language
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