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56 lines
698 B
C
56 lines
698 B
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#include "instrs.h"
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#include "arch_i.h"
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IMPL_COND(mov);
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IMPL_COND(lea);
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IMPL_COND(xchg);
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IMPL_COND(cmpxchg);
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//
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// Movement instructions
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//
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IMPL_START_2(mov)
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{
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v1 = v2;
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}
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IMPL_OUT;
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IMPL_START_2(xchg)
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{
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ulong t = v1;
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v1 = v2;
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v2 = t;
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}
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IMPL_OUT;
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IMPL_START_1(lea)
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{
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v1 = (p2->type == A_REG ? R(p2->val) : p2->val) + p2->off;
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}
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IMPL_OUT;
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IMPL_START_1(gcs)
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{
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v1 = cr1;
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}
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IMPL_OUT;
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IMPL_START_2(cmpxchg)
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{
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if (rax == v1) {
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flg |= ZF;
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v1 = v2;
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}
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else {
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flg &= ~ZF;
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rax = v1;
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}
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}
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IMPL_OUT;
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