11029e949f
Test exact division/sqrt DFPU sequences. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
77 lines
1.7 KiB
ArmAsm
77 lines
1.7 KiB
ArmAsm
#include "macros.inc"
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#include "fpu.h"
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test_suite fp0_sqrt
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#if XCHAL_HAVE_FP_SQRT
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.macro sqrt_seq r, a, y, t1, hn, h2, t5, h
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sqrt0.s \y, \a
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const.s \t1, 0
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maddn.s \t1, \y, \y
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nexp01.s \hn, \a
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const.s \r, 3
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addexp.s \hn, \r
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maddn.s \r, \t1, \hn
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nexp01.s \t1, \a
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neg.s \h2, \t1
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maddn.s \y, \r, \y
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const.s \r, 0
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const.s \t5, 0
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const.s \h, 0
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maddn.s \r, \h2, \y
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maddn.s \t5, \y, \hn
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const.s \hn, 3
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maddn.s \h, \hn, \y
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maddn.s \t1, \r, \r
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maddn.s \hn, \t5, \y
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neg.s \y, \h
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maddn.s \r, \t1, \y
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maddn.s \h, \hn, \h
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mksadj.s \y, \a
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nexp01.s \a, \a
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maddn.s \a, \r, \r
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neg.s \t1, \h
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addexpm.s \r, \y
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addexp.s \t1, \y
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divn.s \r, \a, \t1
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.endm
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.macro sqrt_s fr0, fr1
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sqrt_seq \fr0, \fr1, f10, f11, f12, f13, f14, f15
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.endm
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.macro movfp fr, v
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movi a2, \v
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wfr \fr, a2
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.endm
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.macro check_res fr, r, sr
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rfr a2, \fr
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dump a2
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movi a3, \r
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assert eq, a2, a3
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rur a2, fsr
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movi a3, \sr
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assert eq, a2, a3
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.endm
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test sqrt_s
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movi a2, 1
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wsr a2, cpenable
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test_op1 sqrt_s, f0, f1, 0x40000000, \
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0x3fb504f3, 0x3fb504f3, 0x3fb504f4, 0x3fb504f3, \
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FSR_I, FSR_I, FSR_I, FSR_I
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test_op1 sqrt_s, f3, f4, F32_1, \
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F32_1, F32_1, F32_1, F32_1, \
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FSR__, FSR__, FSR__, FSR__
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test_op1 sqrt_s, f6, f7, F32_MINUS | F32_1, \
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F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \
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FSR_V, FSR_V, FSR_V, FSR_V
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test_end
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#endif
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test_suite_end
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