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view run/mini/sextzext.d @ 1630:d0efa3ae5522 default tip
run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author | David Nadlinger <code@klickverbot.at> |
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date | Sat, 23 Apr 2011 22:57:32 +0200 |
parents | c6ef09dfba4d |
children |
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module mini.sextzext; void main() { byte sb = sextreturn1(); short ss = sextreturn2(); assert(ss == -2); assert(sb == -2); assert(sextparam1(-42) == -42); assert(sextparam2(-42) == -42); ubyte ub = zextreturn1(); ushort us = zextreturn2(); assert(ub == 2); assert(us == 2); assert(zextparam1(42) == 42); assert(zextparam2(42) == 42); assert(getchar() == 'a'); assert(passchar('z') == 'z'); } byte sextreturn1() { return -2; } short sextreturn2() { return -2; } ubyte zextreturn1() { return 2; } ushort zextreturn2() { return 2; } byte sextparam1(byte b) { return b; } short sextparam2(short s) { return s; } ubyte zextparam1(ubyte b) { return b; } ushort zextparam2(ushort s) { return s; } char getchar() { return 'a'; } char passchar(char ch) { return ch; }