CMakeLists.txt                   |  31 +++
 doc/langref.html.in              |   6 +
 lib/std/math.zig                 |  18 ++
 lib/std/math/epsilon.zig         |   1 +
 lib/std/math/inf.zig             |   1 +
 lib/std/math/nan.zig             |   3 +
 src/AstGen.zig                   |   2 +
 src/Sema.zig                     |   3 +
 src/Zir.zig                      |   5 +
 src/stage1/all_types.hpp         |   2 +
 src/stage1/analyze.cpp           |  13 +
 src/stage1/codegen.cpp           | 456 +++++++++++++++++++++++++++++++-
 src/stage1/ir.cpp                | 262 ++++++++++++++++--
 src/stage1/softfloat.hpp         |   4 +
 src/stage1/softfloat_ext.cpp     |  38 ++-
 src/stage1/softfloat_ext.hpp     |   4 +
 src/stage1/target.cpp            |  11 +
 src/stage1/target.hpp            |   1 +
 src/type.zig                     |  17 ++
 src/value.zig                    |   5 +
 test/behavior/floatop_stage1.zig |  81 ++++++
 test/behavior/math_stage1.zig    |  19 ++
 test/behavior/muladd.zig         |   6 +
 test/behavior/type_stage1.zig    |   3 +-
 test/behavior/widening.zig       |   5 +
 25 files changed, 953 insertions(+), 44 deletions(-)