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# sh testcase for fsqrt -*- Asm -*-
# mach: all
# as: -isa=shcompact
# ld: -m shelf32

        .include "compact/testutils.inc"

        start

        # sqrt(0.0) = 0.0.
        fldi0 fr0
        fsqrt fr0
        fldi0 fr1
        fcmp/eq fr0, fr1
        bf wrong

        # sqrt(1.0) = 1.0.
        fldi1 fr0
        fsqrt fr0
        fldi1 fr1
        fcmp/eq fr0, fr1
        bf wrong

        # sqrt(4.0) = 2.0
        fldi1 fr0
        # Double it.
        fadd fr0, fr0
        # Double it again.
        fadd fr0, fr0
        fsqrt fr0
        fldi1 fr1
        # Double it.
        fadd fr1, fr1
        fcmp/eq fr0, fr1
        bf wrong

        bra double
        nop

wrong:
        fail

double:
        # sqrt(0.0) = 0.0.
        fldi0 fr0
        _s2d fr0, dr0
        _setpr
        fsqrt dr0
        _clrpr
        fldi0 fr2
        _s2d fr2, dr2
        _setpr
        fcmp/eq dr0, dr2
        bf wrong2
        _clrpr

        # sqrt(1.0) = 1.0.
        fldi1 fr0
        _s2d fr0, dr0
        _setpr
        fsqrt dr0
        _clrpr
        fldi1 fr2
        _s2d fr2, dr2
        _setpr
        fcmp/eq fr0, fr2
        bf wrong2
        _clrpr

        # sqrt(4.0) = 2.0.
        fldi1 fr0
        # Double it.
        fadd fr0, fr0
        # Double it again.
        fadd fr0, fr0
        _s2d fr0, dr0
        _setpr
        fsqrt dr0
        _clrpr
        fldi1 fr2
        # Double it.
        fadd fr2, fr2
        _s2d fr2, dr2
        _setpr
        fcmp/eq fr0, fr2
        bf wrong2
        _clrpr

okay:
        pass

wrong2:
        fail