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path: root/libgo/go/crypto/elliptic/p256.go
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Diffstat (limited to 'libgo/go/crypto/elliptic/p256.go')
-rw-r--r--libgo/go/crypto/elliptic/p256.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/libgo/go/crypto/elliptic/p256.go b/libgo/go/crypto/elliptic/p256.go
index b05febd..1fbeb68 100644
--- a/libgo/go/crypto/elliptic/p256.go
+++ b/libgo/go/crypto/elliptic/p256.go
@@ -3,7 +3,6 @@
// license that can be found in the LICENSE file.
//-go:build !amd64 && !arm64
-// -build !amd64,!arm64
package elliptic
@@ -210,6 +209,8 @@ var p256Precomputed = [p256Limbs * 2 * 15 * 2]uint32{
// Field element operations:
+const bottom28Bits = 0xfffffff
+
// nonZeroToAllOnes returns:
// 0xffffffff for 0 < x <= 2**31
// 0 for x == 0 or x > 2**31.
@@ -270,6 +271,7 @@ const (
two30m2 = 1<<30 - 1<<2
two30p13m2 = 1<<30 + 1<<13 - 1<<2
two31m2 = 1<<31 - 1<<2
+ two31m3 = 1<<31 - 1<<3
two31p24m2 = 1<<31 + 1<<24 - 1<<2
two30m27m2 = 1<<30 - 1<<27 - 1<<2
)