Mercurial > projects > dstress
diff run/a/asm_packssdw_01_A.d @ 1285:229e630d4b1a
partuial inline asm review
author | thomask |
---|---|
date | Tue, 26 Dec 2006 14:21:37 +0000 |
parents | 9dcac8d4e97f |
children |
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--- a/run/a/asm_packssdw_01_A.d Tue Dec 26 14:21:29 2006 +0000 +++ b/run/a/asm_packssdw_01_A.d Tue Dec 26 14:21:37 2006 +0000 @@ -17,26 +17,44 @@ haveSSE2!()(); haveMMX!()(); - int[] a = new int[4]; + int* a = (new int[4]).ptr; a[0] = 1; a[1] = -2; a[2] = 3; a[3] = -4; - int[] b = new int[4]; + int* b = (new int[4]).ptr; b[0] = 5; b[1] = -6; b[2] = 7; b[3] = -8; - short[] c = new short[8]; + short* c = (new short[8]).ptr; - asm{ - movdqu XMM0, a; - movdqu XMM1, b; - packssdw XMM0, XMM1; - movdqu c, XMM0; + static if(size_t.sizeof == 4){ + asm{ + mov EAX, a; + movdqu XMM0, [EAX]; + mov EAX, b; + movdqu XMM1, [EAX]; + packssdw XMM0, XMM1; + mov EAX, c; + movdqu [EAX], XMM0; + } + }else static if(size_t.sizeof == 8){ + asm{ + mov RAX, a; + movdqu XMM0, [RAX]; + mov RAX, b; + movdqu XMM1, [RAX]; + packssdw XMM0, XMM1; + mov RAX, c; + movdqu [RAX], XMM0; + } + }else{ + static assert(0, "unhandled pointer size"); } + if(c[0] != 1){ assert(0); }