51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_COND_H_
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#define COSMOPOLITAN_TOOL_BUILD_LIB_COND_H_
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#include "tool/build/lib/flags.h"
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#include "tool/build/lib/machine.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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forceinline bool GetCond(struct Machine *m, int x) {
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uint32_t f = m->flags;
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switch (x) {
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case 0:
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return GetFlag(f, FLAGS_OF);
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case 1:
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return !GetFlag(f, FLAGS_OF);
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case 2:
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return GetFlag(f, FLAGS_CF);
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case 3:
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return !GetFlag(f, FLAGS_CF);
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case 4:
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return GetFlag(f, FLAGS_ZF);
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case 5:
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return !GetFlag(f, FLAGS_ZF);
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case 6:
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return GetFlag(f, FLAGS_CF) || GetFlag(f, FLAGS_ZF);
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case 7:
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return !GetFlag(f, FLAGS_CF) && !GetFlag(f, FLAGS_ZF);
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case 8:
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return GetFlag(f, FLAGS_SF);
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case 9:
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return !GetFlag(f, FLAGS_SF);
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case 10:
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return GetFlag(f, FLAGS_PF);
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case 11:
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return !GetFlag(f, FLAGS_PF);
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case 12:
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return GetFlag(f, FLAGS_SF) != GetFlag(f, FLAGS_OF);
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case 13:
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return GetFlag(f, FLAGS_SF) == GetFlag(f, FLAGS_OF);
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case 14:
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return GetFlag(f, FLAGS_ZF) ||
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GetFlag(f, FLAGS_SF) != GetFlag(f, FLAGS_OF);
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case 15:
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return !GetFlag(f, FLAGS_ZF) &&
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GetFlag(f, FLAGS_SF) == GetFlag(f, FLAGS_OF);
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default:
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unreachable;
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}
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}
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_COND_H_ */
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