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[WebAssembly] Support __float128
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Authored by sunfish on Jan 24 2019, 6:37 AM.

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Summary

This enables support for the "__float128" keyword.

This revision is now accepted and ready to land.Jan 24 2019, 11:26 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

lib/

Basic/

Targets/

3 lines

test/

Preprocessor/

1 line

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	// Follow g++ convention and predefine _GNU_SOURCE for C++.	// Follow g++ convention and predefine _GNU_SOURCE for C++.
	if (Opts.CPlusPlus)	if (Opts.CPlusPlus)
	Builder.defineMacro("_GNU_SOURCE");	Builder.defineMacro("_GNU_SOURCE");
		// Indicate that we have __float128.
		Builder.defineMacro("__FLOAT128__");
	}	}

	public:	public:
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	: OSTargetInfo<Target>(Triple, Opts) {	: OSTargetInfo<Target>(Triple, Opts) {
	this->MCountName = "__mcount";	this->MCountName = "__mcount";
	this->TheCXXABI.set(TargetCXXABI::WebAssembly);	this->TheCXXABI.set(TargetCXXABI::WebAssembly);
		this->HasFloat128 = true;
	}	}
	};	};

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	// WEBASSEMBLY-NEXT:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__	// WEBASSEMBLY-NEXT:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
	// WEBASSEMBLY-NOT:#define __ELF__	// WEBASSEMBLY-NOT:#define __ELF__
	// WEBASSEMBLY-NEXT:#define __FINITE_MATH_ONLY__ 0	// WEBASSEMBLY-NEXT:#define __FINITE_MATH_ONLY__ 0
		// WEBASSEMBLY-NEXT:#define __FLOAT128__ 1
	// WEBASSEMBLY-NEXT:#define __FLT_DENORM_MIN__ 1.40129846e-45F	// WEBASSEMBLY-NEXT:#define __FLT_DENORM_MIN__ 1.40129846e-45F
	// WEBASSEMBLY-NEXT:#define __FLT_DIG__ 6	// WEBASSEMBLY-NEXT:#define __FLT_DIG__ 6
	// WEBASSEMBLY-NEXT:#define __FLT_EPSILON__ 1.19209290e-7F	// WEBASSEMBLY-NEXT:#define __FLT_EPSILON__ 1.19209290e-7F
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