diff options
Diffstat (limited to 'clang/lib/Basic')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 2f90e98a391..f5249e54670 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -3599,6 +3599,12 @@ class ARMTargetInfo : public TargetInfo { NeonFPU = (1 << 3) }; + // Possible HWDiv features. + enum HWDivMode { + HWDivThumb = (1 << 0), + HWDivARM = (1 << 1) + }; + static bool FPUModeIsVFP(FPUMode Mode) { return Mode & (VFP2FPU | VFP3FPU | VFP4FPU | NeonFPU); } @@ -3618,6 +3624,7 @@ class ARMTargetInfo : public TargetInfo { unsigned IsAAPCS : 1; unsigned IsThumb : 1; + unsigned HWDiv : 2; // Initialized via features. unsigned SoftFloat : 1; @@ -3770,6 +3777,7 @@ public: DiagnosticsEngine &Diags) { FPU = 0; SoftFloat = SoftFloatABI = false; + HWDiv = 0; for (unsigned i = 0, e = Features.size(); i != e; ++i) { if (Features[i] == "+soft-float") SoftFloat = true; @@ -3783,6 +3791,10 @@ public: FPU |= VFP4FPU; else if (Features[i] == "+neon") FPU |= NeonFPU; + else if (Features[i] == "+hwdiv") + HWDiv |= HWDivThumb; + else if (Features[i] == "+hwdiv-arm") + HWDiv |= HWDivARM; } if (!(FPU & NeonFPU) && FPMath == FP_Neon) { @@ -3812,6 +3824,8 @@ public: .Case("softfloat", SoftFloat) .Case("thumb", IsThumb) .Case("neon", (FPU & NeonFPU) && !SoftFloat) + .Case("hwdiv", HWDiv & HWDivThumb) + .Case("hwdiv-arm", HWDiv & HWDivARM) .Default(false); } // FIXME: Should we actually have some table instead of these switches? @@ -3905,6 +3919,8 @@ public: if (CPUArch == "6T2" || IsARMv7) Builder.defineMacro("__thumb2__"); } + if (((HWDiv & HWDivThumb) && IsThumb) || ((HWDiv & HWDivARM) && !IsThumb)) + Builder.defineMacro("__ARM_ARCH_EXT_IDIV__", "1"); // Note, this is always on in gcc, even though it doesn't make sense. Builder.defineMacro("__APCS_32__"); |
