52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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#include "test.h"
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/* Constants in globals to defeat constant folding. */
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int one = 1;
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int zero = 0;
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int minusone = -1;
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/* Bypasses the CRT, so there's no stdio or BSS initialisation. */
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void _m_a_i_n(void)
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{
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ASSERT((one <<zero) == 1);
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ASSERT((one <<one) == 2);
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ASSERT((minusone<<zero) == -1);
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ASSERT((minusone<<one) == -2);
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ASSERT(((unsigned int)one <<(unsigned int)zero) == 1);
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ASSERT(((unsigned int)one <<(unsigned int)one) == 2);
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ASSERT(((unsigned int)minusone<<(unsigned int)zero) == -1);
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ASSERT(((unsigned int)minusone<<(unsigned int)one) == -2);
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ASSERT((one >>zero) == 1);
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ASSERT((one >>one) == 0);
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ASSERT((minusone>>zero) == -1);
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ASSERT((minusone>>one) == -1);
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ASSERT(((unsigned int)one >>(unsigned int)zero) == 1);
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ASSERT(((unsigned int)one >>(unsigned int)one) == 0);
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ASSERT(((unsigned int)minusone>>(unsigned int)zero) == 0xffffffff);
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ASSERT(((unsigned int)minusone>>(unsigned int)one) == 0x7fffffff);
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ASSERT((one <<0) == 1);
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ASSERT((one <<1) == 2);
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ASSERT((minusone<<0) == -1);
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ASSERT((minusone<<1) == -2);
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ASSERT(((unsigned int)one <<(unsigned int)0) == 1);
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ASSERT(((unsigned int)one <<(unsigned int)1) == 2);
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ASSERT(((unsigned int)minusone<<(unsigned int)0) == -1);
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ASSERT(((unsigned int)minusone<<(unsigned int)1) == -2);
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ASSERT((one >>0) == 1);
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ASSERT((one >>1) == 0);
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ASSERT((minusone>>0) == -1);
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ASSERT((minusone>>1) == -1);
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ASSERT(((unsigned int)one >>(unsigned int)0) == 1);
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ASSERT(((unsigned int)one >>(unsigned int)1) == 0);
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ASSERT(((unsigned int)minusone>>(unsigned int)0) == 0xffffffff);
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ASSERT(((unsigned int)minusone>>(unsigned int)1) == 0x7fffffff);
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finished();
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}
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