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11029e949f
Test exact division/sqrt DFPU sequences. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
83 lines
2.1 KiB
ArmAsm
83 lines
2.1 KiB
ArmAsm
#include "macros.inc"
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#include "fpu.h"
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test_suite fp0_div
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#if XCHAL_HAVE_FP_DIV
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.macro divs_seq q, a, b, r, y, y0, an, bn, e, ex
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div0.s \y0, \b
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nexp01.s \bn, \b
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const.s \e, 1
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maddn.s \e, \bn, \y0
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mov.s \y, \y0
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mov.s \ex, \b
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nexp01.s \an, \a
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maddn.s \y, \e, \y0
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const.s \e, 1
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const.s \q, 0
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neg.s \r, \an
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maddn.s \e, \bn, \y
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maddn.s \q, \r, \y0
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mkdadj.s \ex, \a
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maddn.s \y, \e, \y
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maddn.s \r, \bn, \q
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const.s \e, 1
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maddn.s \e, \bn, \y
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maddn.s \q, \r, \y
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neg.s \r, \an
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maddn.s \y, \e, \y
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maddn.s \r, \bn, \q
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addexpm.s \q, \ex
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addexp.s \y, \ex
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divn.s \q, \r, \y
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.endm
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.macro div_s fr0, fr1, fr2
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divs_seq \fr0, \fr1, \fr2, f9, 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 div_s
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movi a2, 1
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wsr a2, cpenable
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test_op2 div_s, f0, f1, f2, 0x40000000, 0x40400000, \
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0x3f2aaaab, 0x3f2aaaaa, 0x3f2aaaab, 0x3f2aaaaa, \
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FSR_I, FSR_I, FSR_I, FSR_I
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test_op2 div_s, f3, f4, f5, F32_1, F32_0, \
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F32_PINF, F32_PINF, F32_PINF, F32_PINF, \
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FSR_Z, FSR_Z, FSR_Z, FSR_Z
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test_op2 div_s, f6, f7, f8, F32_0, F32_0, \
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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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/* MAX_FLOAT / 0.5 = +inf/MAX_FLOAT */
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test_op2 div_s, f0, f1, f2, F32_MAX, F32_0_5, \
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F32_PINF, F32_MAX, F32_PINF, F32_MAX, \
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FSR_OI, FSR_OI, FSR_OI, FSR_OI
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/* 0.5 / MAX_FLOAT = denorm */
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test_op2 div_s, f0, f1, f2, F32_0_5, F32_MAX, \
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0x00100000, 0x00100000, 0x00100001, 0x00100000, \
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FSR_UI, FSR_UI, FSR_UI, FSR_UI
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test_end
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#endif
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test_suite_end
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