cmd/compile/internal/ssa: on PPC64, merge (CMPconst [0] (op ...)) more aggressively

[gostls13.git] / test / codegen / bool.go

diff --git a/test/codegen/bool.go b/test/codegen/bool.go
index 109c3aa0cd67734dac72d684a1b775a594102f10..990a9ed1b1d8c785e92afda659f4bcdcb560bbd7 100644 (file)
--- a/test/codegen/bool.go
+++ b/test/codegen/bool.go
@@ -6,6 +6,10 @@
 
 package codegen
 
+import (
+       "math/bits"
+)
+
 // This file contains codegen tests related to boolean simplifications/optimizations.
 
 func convertNeq0B(x uint8, c bool) bool {
@@ -211,11 +215,62 @@ func TestSetInvGeFp64(x float64, y float64) bool {
        b := !(x >= y)
        return b
 }
-func TestAndCompareZero(x uint64, y uint64) uint64 {
-       // ppc64x:"ANDCC"
-       b := x&3
+func TestLogicalCompareZero(x *[64]uint64) {
+       // ppc64x:"ANDCC",^"AND"
+       b := x[0]&3
+       if b!=0 {
+               x[0] = b
+       }
+       // ppc64x:"ANDCC",^"AND"
+       b = x[1]&x[2]
+       if b!=0 {
+               x[1] = b
+       }
+       // ppc64x:"ANDNCC",^"ANDN"
+       b = x[1]&^x[2]
+       if b!=0 {
+               x[1] = b
+       }
+       // ppc64x:"ORCC",^"OR"
+       b = x[3]|x[4]
+       if b!=0 {
+               x[3] = b
+       }
+       // ppc64x:"SUBCC",^"SUB"
+       b = x[5]-x[6]
+       if b!=0 {
+               x[5] = b
+       }
+       // ppc64x:"NORCC",^"NOR"
+       b = ^(x[5]|x[6])
        if b!=0 {
-               return b
+               x[5] = b
        }
-       return b+8
+       // ppc64x:"XORCC",^"XOR"
+       b = x[7]^x[8]
+       if b!=0 {
+               x[7] = b
+       }
+       // ppc64x:"ADDCC",^"ADD"
+       b = x[9]+x[10]
+       if b!=0 {
+               x[9] = b
+       }
+       // ppc64x:"NEGCC",^"NEG"
+       b = -x[11]
+       if b!=0 {
+               x[11] = b
+       }
+       // ppc64x:"CNTLZDCC",^"CNTLZD"
+       b = uint64(bits.LeadingZeros64(x[12]))
+       if b!=0 {
+               x[12] = b
+       }
+
+       // ppc64x:"ADDCCC\t[$]4,"
+       c := int64(x[12]) + 4
+       if c <= 0 {
+               x[12] = uint64(c)
+       }
+
 }