Skip to content

MSP430: Stop using setCmpLibcallCC #142708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: users/arsenm/msp430/add-fcmp-test
Choose a base branch
from
+89 −94
Open

MSP430: Stop using setCmpLibcallCC #142708

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
183 changes: 89 additions & 94 deletions llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -151,104 +151,99 @@ MSP430TargetLowering::MSP430TargetLowering(const TargetMachine &TM,
// EABI Libcalls - EABI Section 6.2
const struct {
const RTLIB::Libcall Op;
const char * const Name;
const ISD::CondCode Cond;
const char *const Name;
} LibraryCalls[] = {
// Floating point conversions - EABI Table 6
{ RTLIB::FPROUND_F64_F32, "__mspabi_cvtdf", ISD::SETCC_INVALID },
{ RTLIB::FPEXT_F32_F64, "__mspabi_cvtfd", ISD::SETCC_INVALID },
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOSINT_F64_I16, "__mspabi_fixdi", ISD::SETCC_INVALID },
{ RTLIB::FPTOSINT_F64_I32, "__mspabi_fixdli", ISD::SETCC_INVALID },
{ RTLIB::FPTOSINT_F64_I64, "__mspabi_fixdlli", ISD::SETCC_INVALID },
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOUINT_F64_I16, "__mspabi_fixdu", ISD::SETCC_INVALID },
{ RTLIB::FPTOUINT_F64_I32, "__mspabi_fixdul", ISD::SETCC_INVALID },
{ RTLIB::FPTOUINT_F64_I64, "__mspabi_fixdull", ISD::SETCC_INVALID },
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOSINT_F32_I16, "__mspabi_fixfi", ISD::SETCC_INVALID },
{ RTLIB::FPTOSINT_F32_I32, "__mspabi_fixfli", ISD::SETCC_INVALID },
{ RTLIB::FPTOSINT_F32_I64, "__mspabi_fixflli", ISD::SETCC_INVALID },
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOUINT_F32_I16, "__mspabi_fixfu", ISD::SETCC_INVALID },
{ RTLIB::FPTOUINT_F32_I32, "__mspabi_fixful", ISD::SETCC_INVALID },
{ RTLIB::FPTOUINT_F32_I64, "__mspabi_fixfull", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc
//{ RTLIB::SINTTOFP_I16_F64, "__mspabi_fltid", ISD::SETCC_INVALID },
{ RTLIB::SINTTOFP_I32_F64, "__mspabi_fltlid", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc but is not in the EABI
{ RTLIB::SINTTOFP_I64_F64, "__mspabi_fltllid", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc
//{ RTLIB::UINTTOFP_I16_F64, "__mspabi_fltud", ISD::SETCC_INVALID },
{ RTLIB::UINTTOFP_I32_F64, "__mspabi_fltuld", ISD::SETCC_INVALID },
// The following IS implemented in libgcc but is not in the EABI
{ RTLIB::UINTTOFP_I64_F64, "__mspabi_fltulld", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc
//{ RTLIB::SINTTOFP_I16_F32, "__mspabi_fltif", ISD::SETCC_INVALID },
{ RTLIB::SINTTOFP_I32_F32, "__mspabi_fltlif", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc but is not in the EABI
{ RTLIB::SINTTOFP_I64_F32, "__mspabi_fltllif", ISD::SETCC_INVALID },
// TODO The following IS implemented in libgcc
//{ RTLIB::UINTTOFP_I16_F32, "__mspabi_fltuf", ISD::SETCC_INVALID },
{ RTLIB::UINTTOFP_I32_F32, "__mspabi_fltulf", ISD::SETCC_INVALID },
// The following IS implemented in libgcc but is not in the EABI
{ RTLIB::UINTTOFP_I64_F32, "__mspabi_fltullf", ISD::SETCC_INVALID },

// Floating point comparisons - EABI Table 7
{ RTLIB::OEQ_F64, "__mspabi_cmpd", ISD::SETEQ },
{ RTLIB::UNE_F64, "__mspabi_cmpd", ISD::SETNE },
{ RTLIB::OGE_F64, "__mspabi_cmpd", ISD::SETGE },
{ RTLIB::OLT_F64, "__mspabi_cmpd", ISD::SETLT },
{ RTLIB::OLE_F64, "__mspabi_cmpd", ISD::SETLE },
{ RTLIB::OGT_F64, "__mspabi_cmpd", ISD::SETGT },
{ RTLIB::OEQ_F32, "__mspabi_cmpf", ISD::SETEQ },
{ RTLIB::UNE_F32, "__mspabi_cmpf", ISD::SETNE },
{ RTLIB::OGE_F32, "__mspabi_cmpf", ISD::SETGE },
{ RTLIB::OLT_F32, "__mspabi_cmpf", ISD::SETLT },
{ RTLIB::OLE_F32, "__mspabi_cmpf", ISD::SETLE },
{ RTLIB::OGT_F32, "__mspabi_cmpf", ISD::SETGT },

// Floating point arithmetic - EABI Table 8
{ RTLIB::ADD_F64, "__mspabi_addd", ISD::SETCC_INVALID },
{ RTLIB::ADD_F32, "__mspabi_addf", ISD::SETCC_INVALID },
{ RTLIB::DIV_F64, "__mspabi_divd", ISD::SETCC_INVALID },
{ RTLIB::DIV_F32, "__mspabi_divf", ISD::SETCC_INVALID },
{ RTLIB::MUL_F64, "__mspabi_mpyd", ISD::SETCC_INVALID },
{ RTLIB::MUL_F32, "__mspabi_mpyf", ISD::SETCC_INVALID },
{ RTLIB::SUB_F64, "__mspabi_subd", ISD::SETCC_INVALID },
{ RTLIB::SUB_F32, "__mspabi_subf", ISD::SETCC_INVALID },
// The following are NOT implemented in libgcc
// { RTLIB::NEG_F64, "__mspabi_negd", ISD::SETCC_INVALID },
// { RTLIB::NEG_F32, "__mspabi_negf", ISD::SETCC_INVALID },

// Universal Integer Operations - EABI Table 9
{ RTLIB::SDIV_I16, "__mspabi_divi", ISD::SETCC_INVALID },
{ RTLIB::SDIV_I32, "__mspabi_divli", ISD::SETCC_INVALID },
{ RTLIB::SDIV_I64, "__mspabi_divlli", ISD::SETCC_INVALID },
{ RTLIB::UDIV_I16, "__mspabi_divu", ISD::SETCC_INVALID },
{ RTLIB::UDIV_I32, "__mspabi_divul", ISD::SETCC_INVALID },
{ RTLIB::UDIV_I64, "__mspabi_divull", ISD::SETCC_INVALID },
{ RTLIB::SREM_I16, "__mspabi_remi", ISD::SETCC_INVALID },
{ RTLIB::SREM_I32, "__mspabi_remli", ISD::SETCC_INVALID },
{ RTLIB::SREM_I64, "__mspabi_remlli", ISD::SETCC_INVALID },
{ RTLIB::UREM_I16, "__mspabi_remu", ISD::SETCC_INVALID },
{ RTLIB::UREM_I32, "__mspabi_remul", ISD::SETCC_INVALID },
{ RTLIB::UREM_I64, "__mspabi_remull", ISD::SETCC_INVALID },

// Bitwise Operations - EABI Table 10
// TODO: __mspabi_[srli/srai/slli] ARE implemented in libgcc
{ RTLIB::SRL_I32, "__mspabi_srll", ISD::SETCC_INVALID },
{ RTLIB::SRA_I32, "__mspabi_sral", ISD::SETCC_INVALID },
{ RTLIB::SHL_I32, "__mspabi_slll", ISD::SETCC_INVALID },
// __mspabi_[srlll/srall/sllll/rlli/rlll] are NOT implemented in libgcc

// Floating point conversions - EABI Table 6
{RTLIB::FPROUND_F64_F32, "__mspabi_cvtdf"},
{RTLIB::FPEXT_F32_F64, "__mspabi_cvtfd"},
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOSINT_F64_I16, "__mspabi_fixdi" },
{RTLIB::FPTOSINT_F64_I32, "__mspabi_fixdli"},
{RTLIB::FPTOSINT_F64_I64, "__mspabi_fixdlli"},
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOUINT_F64_I16, "__mspabi_fixdu" },
{RTLIB::FPTOUINT_F64_I32, "__mspabi_fixdul"},
{RTLIB::FPTOUINT_F64_I64, "__mspabi_fixdull"},
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOSINT_F32_I16, "__mspabi_fixfi" },
{RTLIB::FPTOSINT_F32_I32, "__mspabi_fixfli"},
{RTLIB::FPTOSINT_F32_I64, "__mspabi_fixflli"},
// The following is NOT implemented in libgcc
//{ RTLIB::FPTOUINT_F32_I16, "__mspabi_fixfu" },
{RTLIB::FPTOUINT_F32_I32, "__mspabi_fixful"},
{RTLIB::FPTOUINT_F32_I64, "__mspabi_fixfull"},
// TODO The following IS implemented in libgcc
//{ RTLIB::SINTTOFP_I16_F64, "__mspabi_fltid" },
{RTLIB::SINTTOFP_I32_F64, "__mspabi_fltlid"},
// TODO The following IS implemented in libgcc but is not in the EABI
{RTLIB::SINTTOFP_I64_F64, "__mspabi_fltllid"},
// TODO The following IS implemented in libgcc
//{ RTLIB::UINTTOFP_I16_F64, "__mspabi_fltud" },
{RTLIB::UINTTOFP_I32_F64, "__mspabi_fltuld"},
// The following IS implemented in libgcc but is not in the EABI
{RTLIB::UINTTOFP_I64_F64, "__mspabi_fltulld"},
// TODO The following IS implemented in libgcc
//{ RTLIB::SINTTOFP_I16_F32, "__mspabi_fltif" },
{RTLIB::SINTTOFP_I32_F32, "__mspabi_fltlif"},
// TODO The following IS implemented in libgcc but is not in the EABI
{RTLIB::SINTTOFP_I64_F32, "__mspabi_fltllif"},
// TODO The following IS implemented in libgcc
//{ RTLIB::UINTTOFP_I16_F32, "__mspabi_fltuf" },
{RTLIB::UINTTOFP_I32_F32, "__mspabi_fltulf"},
// The following IS implemented in libgcc but is not in the EABI
{RTLIB::UINTTOFP_I64_F32, "__mspabi_fltullf"},

// Floating point comparisons - EABI Table 7
{RTLIB::OEQ_F64, "__mspabi_cmpd"},
{RTLIB::UNE_F64, "__mspabi_cmpd"},
{RTLIB::OGE_F64, "__mspabi_cmpd"},
{RTLIB::OLT_F64, "__mspabi_cmpd"},
{RTLIB::OLE_F64, "__mspabi_cmpd"},
{RTLIB::OGT_F64, "__mspabi_cmpd"},
{RTLIB::OEQ_F32, "__mspabi_cmpf"},
{RTLIB::UNE_F32, "__mspabi_cmpf"},
{RTLIB::OGE_F32, "__mspabi_cmpf"},
{RTLIB::OLT_F32, "__mspabi_cmpf"},
{RTLIB::OLE_F32, "__mspabi_cmpf"},
{RTLIB::OGT_F32, "__mspabi_cmpf"},

// Floating point arithmetic - EABI Table 8
{RTLIB::ADD_F64, "__mspabi_addd"},
{RTLIB::ADD_F32, "__mspabi_addf"},
{RTLIB::DIV_F64, "__mspabi_divd"},
{RTLIB::DIV_F32, "__mspabi_divf"},
{RTLIB::MUL_F64, "__mspabi_mpyd"},
{RTLIB::MUL_F32, "__mspabi_mpyf"},
{RTLIB::SUB_F64, "__mspabi_subd"},
{RTLIB::SUB_F32, "__mspabi_subf"},
// The following are NOT implemented in libgcc
// { RTLIB::NEG_F64, "__mspabi_negd" },
// { RTLIB::NEG_F32, "__mspabi_negf" },

// Universal Integer Operations - EABI Table 9
{RTLIB::SDIV_I16, "__mspabi_divi"},
{RTLIB::SDIV_I32, "__mspabi_divli"},
{RTLIB::SDIV_I64, "__mspabi_divlli"},
{RTLIB::UDIV_I16, "__mspabi_divu"},
{RTLIB::UDIV_I32, "__mspabi_divul"},
{RTLIB::UDIV_I64, "__mspabi_divull"},
{RTLIB::SREM_I16, "__mspabi_remi"},
{RTLIB::SREM_I32, "__mspabi_remli"},
{RTLIB::SREM_I64, "__mspabi_remlli"},
{RTLIB::UREM_I16, "__mspabi_remu"},
{RTLIB::UREM_I32, "__mspabi_remul"},
{RTLIB::UREM_I64, "__mspabi_remull"},

// Bitwise Operations - EABI Table 10
// TODO: __mspabi_[srli/srai/slli] ARE implemented in libgcc
{RTLIB::SRL_I32, "__mspabi_srll"},
{RTLIB::SRA_I32, "__mspabi_sral"},
{RTLIB::SHL_I32, "__mspabi_slll"},
// __mspabi_[srlll/srall/sllll/rlli/rlll] are NOT implemented in libgcc
};

for (const auto &LC : LibraryCalls) {
for (const auto &LC : LibraryCalls)
setLibcallName(LC.Op, LC.Name);
if (LC.Cond != ISD::SETCC_INVALID)
setCmpLibcallCC(LC.Op, LC.Cond);
}

if (STI.hasHWMult16()) {
const struct {
Expand Down
Loading