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* test/codegen: port floats tests to codegenAlberto Donizetti2018-03-151-1/+2
| | | | | | | | | | And delete them from asm_test. Change-Id: Ibdaca3496eefc73c731b511ddb9636a1f3dff68c Reviewed-on: https://go-review.googlesource.com/100915 Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
* test/codegen: port len/cap pow2 div tests to codegenAlberto Donizetti2018-03-151-0/+39
| | | | | | | | And delete them from asm_test. Change-Id: I29c8d098a8893e6b669b6272a2f508985ac9d618 Reviewed-on: https://go-review.googlesource.com/100876 Reviewed-by: Cherry Zhang <cherryyz@google.com>
* test/codegen: add codegen tests for divAlberto Donizetti2018-03-141-3/+63
| | | | | | | | | Change-Id: I6ce8981e85fd55ade6078b0946e54a9215d9deca Reviewed-on: https://go-review.googlesource.com/100575 Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
* cmd/compile/internal/ssa: emit IMUL3{L/Q} for MUL{L/Q}const on x86isharipo2018-03-121-6/+6
| | | | | | | | | | | | | | | | | | | | | | cmd/asm now supports three-operand form of IMUL, so instead of using IMUL with resultInArg0, emit IMUL3 instruction. This results in less redundant MOVs where SSA assigns different registers to input[0] and dst arguments. Note: these have exactly the same encoding when reg0=reg1: IMUL3x $const, reg0, reg1 IMULx $const, reg Two-operand IMULx is like a crippled IMUL3x, with dst fixed to input[0]. This is why we don't bother to generate IMULx for the case where dst is the same as input[0]. Change-Id: I4becda475b3dffdd07b6fdf1c75bacc82af654e4 Reviewed-on: https://go-review.googlesource.com/99656 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Giovanni Bajo <rasky@develer.com> Reviewed-by: Keith Randall <khr@golang.org>
* test/codegen: port MULs merging tests to codegenAlberto Donizetti2018-03-091-0/+34
| | | | | | | | And delete them from asm_go. Change-Id: I0057cbd90ca55fa51c596e32406e190f3866f93e Reviewed-on: https://go-review.googlesource.com/99815 Reviewed-by: Keith Randall <khr@golang.org>
* test/codegen: port 2^n muls tests to codegen harnessAlberto Donizetti2018-03-081-0/+26
And delete them from the asm_test.go file. Change-Id: I124c8c352299646ec7db0968cdb0fe59a3b5d83d Reviewed-on: https://go-review.googlesource.com/99475 Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Giovanni Bajo <rasky@develer.com>
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