1# XFAIL: system-windows
2# Darwin uses the legacy behavior of reporting abridged ftag value,
3# it is covered by TestRegisters.py::fp_special_purpose_register_read.
4# XFAIL: system-darwin
5# REQUIRES: native && target-x86_64
6# RUN: %clangxx_host %p/Inputs/x86-fp-write.cpp -o %t
7# RUN: %lldb -b -s %s %t | FileCheck %s
8process launch
9
10register write fctrl 0x037b
11register write fstat 0x8884
12# note: this needs to enable all registers for writes to be effective
13register write ftag 0x2a58
14register write fop 0x0033
15# the exact addresses do not matter, we want just to verify FXSAVE
16# note: fxrstor64 apparently truncates this to 48 bits, and sign extends
17#       the highest bits, so let's keep the value safely below
18register write fip 0x0000056789abcdef
19register write fdp 0x00000a9876543210
20
21register write st0 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0x00 0x40}"
22register write st1 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x3f 0x00 0x00}"
23register write st2 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}"
24register write st3 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80}"
25register write st4 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0x7f}"
26register write st5 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0xff}"
27register write st6 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xc0 0xff 0xff}"
28register write st7 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}"
29
30process continue
31
32# CHECK: process continue
33# CHECK-DAG: fctrl = 0x037b
34# CHECK-DAG: fstat = 0x8884
35# CHECK-DAG: ftag = 0xa961
36# CHECK-DAG: fop = 0x0033
37# CHECK-DAG: fip = 0x0000056789abcdef
38# CHECK-DAG: fdp = 0x00000a9876543210
39
40# CHECK-DAG: st0 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0x00 0x40 }
41# CHECK-DAG: st1 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x3f 0x00 0x00 }
42# CHECK-DAG: st2 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 }
43# CHECK-DAG: st3 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 }
44# CHECK-DAG: st4 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0x7f }
45# CHECK-DAG: st5 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0xff }
46# CHECK-DAG: st6 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xc0 0xff 0xff }
47# CHECK-DAG: st7 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 }
48
49# CHECK: Process {{[0-9]+}} exited with status = 0
50