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

        .include "compact/testutils.inc"

        start

        # ftrc(0.0) = 0.
        fldi0 fr0
        ftrc fr0, fpul
        # check results.
        mov #0, r0
        sts fpul, r1
        cmp/eq r0, r1
        bf wrong
        
        # ftrc(1.5) = 1.
        fldi1 fr0
        fldi1 fr1
        fldi1 fr2
        # double it.
        fadd fr2, fr2
        # form the fraction.
        fdiv fr2, fr1
        fadd fr1, fr0
        # now we've got 1.5 in fr0.
        ftrc fr0, fpul
        # check results.
        mov #1, r0
        sts fpul, r1
        cmp/eq r0, r1
        bf wrong

        # ftrc(-1.5) = -1.
        fldi1 fr0
        fneg fr0
        fldi1 fr1
        fldi1 fr2
        # double it.
        fadd fr2, fr2
        # form the fraction.
        fdiv fr2, fr1
        fneg fr1
        # -1 + -0.5 = -1.5.
        fadd fr1, fr0
        # now we've got 1.5 in fr0.
        ftrc fr0, fpul
        # check results.
        mov #1, r0
        neg r0, r0
        sts fpul, r1
        cmp/eq r0, r1
        bf wrong

        bra double
        nop

wrong:
        fail

double:
        # ftrc(0.0) = 0.
        fldi0 fr0
        _s2d fr0, dr0
        _setpr
        ftrc dr0, fpul
        _clrpr
        # check results.
        mov #0, r0
        sts fpul, r1
        cmp/eq r0, r1
foo:    
        bf wrong2

        # ftrc(1.5) = 1.
        fldi1 fr0
        fldi1 fr2
        fldi1 fr4
        # double it.
        fadd fr4, fr4
        # form 0.5.
        fdiv fr4, fr2
        fadd fr2, fr0
        # now we've got 1.5 in fr0, so do some single->double
        # conversions and perform the ftrc.
        _s2d fr0, dr0
        _s2d fr2, dr2
        _s2d fr4, dr4
        _setpr
        ftrc dr0, fpul
        _clrpr
        
        # check results.
        mov #1, r0
        sts fpul, r1
        cmp/eq r0, r1
        bf wrong2

        # ftrc(-1.5) = -1.
        fldi1 fr0
        fneg fr0
        fldi1 fr2
        fldi1 fr4
        # double it.
        fadd fr4, fr4
        # form the fraction.
        fdiv fr4, fr2
        fneg fr2
        # -1 + -0.5 = -1.5.
        fadd fr2, fr0
        # now we've got 1.5 in fr0, so do some single->double
        # conversions and perform the ftrc.
        _s2d fr0, dr0
        _s2d fr2, dr2
        _s2d fr4, dr4
        _setpr
        ftrc dr0, fpul
        _clrpr
        
        # check results.
        mov #1, r0
        neg r0, r0
        sts fpul, r1
        cmp/eq r0, r1
        bf wrong2

okay:
        pass
wrong2:
        fail