From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- test/fixedbugs/bug453.go | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 test/fixedbugs/bug453.go (limited to 'test/fixedbugs/bug453.go') diff --git a/test/fixedbugs/bug453.go b/test/fixedbugs/bug453.go new file mode 100644 index 0000000..1f4f3ea --- /dev/null +++ b/test/fixedbugs/bug453.go @@ -0,0 +1,39 @@ +// run + +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Issue 4138: bug in floating-point registers numbering. +// Makes 6g unable to use more than 11 registers. + +package main + +func formula() float32 { + mA := [1]float32{1.0} + det1 := mA[0] + det2 := mA[0] + det3 := mA[0] + det4 := mA[0] + det5 := mA[0] + det6 := mA[0] + det7 := mA[0] + det8 := mA[0] + det9 := mA[0] + det10 := mA[0] + det11 := mA[0] + det12 := mA[0] + + return det1 + det2*det3 + + det4*det5 + det6*det7 + + det8*det9 + det10*det11 + + det12 +} + +func main() { + x := formula() + if x != 7.0 { + println(x, 7.0) + panic("x != 7.0") + } +} -- cgit v1.2.3