mirrors/ldc
1
0
Fork 0
mirror of https://github.com/ldc-developers/ldc.git synced 2025-05-04 17:11:44 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Predefine version D_HardFloat instead of D_SoftFloat for -float-abi=softfp (#2678)

Browse source 
Matching the D_HardFloat semantics: 'the target hardware has a floating
point unit'.
This commit is contained in:
Martin Kinkelin 2018-05-11 14:39:12 +02:00 • committed by GitHub
parent 7464d8449f
commit 0cd14bf80e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 59 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

28
driver/main.cpp
View file

@ -618,21 +618,22 @@ void fixupUClibcEnv()
/// Also defines D_HardFloat or D_SoftFloat depending if FPU should be used
void registerPredefinedFloatABI(const char *soft, const char *hard,
const char *softfp = nullptr) {
// Use target floating point unit instead of s/w float routines
// FIXME: This is a semantic change!
bool useFPU = gTargetMachine->Options.FloatABIType == llvm::FloatABI::Hard;
VersionCondition::addPredefinedGlobalIdent(useFPU ? "D_HardFloat"
: "D_SoftFloat");
if (gTargetMachine->Options.FloatABIType == llvm::FloatABI::Soft) {
VersionCondition::addPredefinedGlobalIdent(useFPU && softfp ? softfp
: soft);
} else if (gTargetMachine->Options.FloatABIType == llvm::FloatABI::Hard) {
assert(useFPU && "Should be using the FPU if using float-abi=hard");
switch (floatABI) {
case FloatABI::Soft:
VersionCondition::addPredefinedGlobalIdent(soft);
break;
case FloatABI::SoftFP:
VersionCondition::addPredefinedGlobalIdent(softfp ? softfp : soft);
break;
case FloatABI::Hard:
VersionCondition::addPredefinedGlobalIdent(hard);
} else {
assert(0 && "FloatABIType neither Soft or Hard");
break;
default:
llvm_unreachable("Unknown float ABI");
}
VersionCondition::addPredefinedGlobalIdent(
floatABI == FloatABI::Soft ? "D_SoftFloat" : "D_HardFloat");
}
/// Registers the predefined versions specific to the current target triple
@ -997,6 +998,7 @@ int cppmain(int argc, char **argv) {
// check and fix environment for uClibc
fixupUClibcEnv();
// create target machine and finalize floatABI
gTargetMachine = createTargetMachine(
mTargetTriple, arch, opts::getCPUStr(), opts::getFeaturesStr(), bitness,
floatABI, relocModel, opts::getCodeModel(), codeGenOptLevel(),