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30 lines
792 B
C
30 lines
792 B
C
#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <assert.h>
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#include "libc_impl.h"
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#include "helpers.h"
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#define RM_RN 0
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#define RM_RZ 1
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#define RM_RP 2
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#define RM_RM 3
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union FloatReg {
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float f[2];
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uint32_t w[2];
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double d;
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};
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#define cvt_w_d(f) \
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((fcsr & RM_RZ) ? ((isnan(f) || f <= -2147483649.0 || f >= 2147483648.0) ? (fcsr |= 0x40, 2147483647) : (int)f) : (assert(0), 0))
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#define cvt_w_s(f) cvt_w_d((double)f)
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static union FloatReg f0 = {{0, 0}}, f2 = {{0, 0}}, f4 = {{0, 0}}, f6 = {{0, 0}}, f8 = {{0, 0}},
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f10 = {{0, 0}}, f12 = {{0, 0}}, f14 = {{0, 0}}, f16 = {{0, 0}}, f18 = {{0, 0}}, f20 = {{0, 0}},
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f22 = {{0, 0}}, f24 = {{0, 0}}, f26 = {{0, 0}}, f28 = {{0, 0}}, f30 = {{0, 0}};
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static uint32_t fcsr = 1;
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