issue42610.go

     1  // asmcheck
     2  
     3  // Copyright 2020 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Don't allow 0 masks in shift lowering rules on ppc64x.
     8  // See issue 42610.
     9  
    10  package codegen
    11  
    12  func f32(a []int32, i uint32) {
    13          g := func(p int32) int32 {
    14                  i = uint32(p) * (uint32(p) & (i & 1))
    15                  return 1
    16          }
    17          // ppc64le: -"RLWNIM"
    18          // ppc64: -"RLWNIM"
    19          a[0] = g(8) >> 1
    20  }
    21  
    22  func f(a []int, i uint) {
    23  	g := func(p int) int {
    24  		i = uint(p) * (uint(p) & (i & 1))
    25  		return 1
    26  	}
    27  	// ppc64le: -"RLDIC"
    28  	// ppc64: -"RLDIC"
    29  	a[0] = g(8) >> 1
    30  }
    31
View as plain text