# XFAIL: system-windows # Darwin uses the legacy behavior of reporting abridged ftag value, # it is covered by TestRegisters.py::fp_special_purpose_register_read. # XFAIL: system-darwin # REQUIRES: native && target-x86_64 # RUN: %clangxx_host %p/Inputs/x86-fp-write.cpp -o %t # RUN: %lldb -b -s %s %t | FileCheck %s process launch register write fctrl 0x037b register write fstat 0x8884 # note: this needs to enable all registers for writes to be effective register write ftag 0x2a58 register write fop 0x0033 # the exact addresses do not matter, we want just to verify FXSAVE # note: fxrstor64 apparently truncates this to 48 bits, and sign extends # the highest bits, so let's keep the value safely below register write fip 0x0000056789abcdef register write fdp 0x00000a9876543210 register write st0 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0x00 0x40}" register write st1 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x3f 0x00 0x00}" register write st2 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}" register write st3 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80}" register write st4 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0x7f}" register write st5 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0xff}" register write st6 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xc0 0xff 0xff}" register write st7 "{0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00}" process continue # CHECK: process continue # CHECK-DAG: fctrl = 0x037b # CHECK-DAG: fstat = 0x8884 # CHECK-DAG: ftag = 0xa961 # CHECK-DAG: fop = 0x0033 # CHECK-DAG: fip = 0x0000056789abcdef # CHECK-DAG: fdp = 0x00000a9876543210 # CHECK-DAG: st0 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0x00 0x40 } # CHECK-DAG: st1 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x3f 0x00 0x00 } # CHECK-DAG: st2 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 } # CHECK-DAG: st3 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 } # CHECK-DAG: st4 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0x7f } # CHECK-DAG: st5 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x80 0xff 0xff } # CHECK-DAG: st6 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xc0 0xff 0xff } # CHECK-DAG: st7 = { 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 } # CHECK: Process {{[0-9]+}} exited with status = 0