Mercurial > projects > dstress
diff run/a/asm_pavgb_01_A.d @ 1285:229e630d4b1a
partuial inline asm review
author | thomask |
---|---|
date | Tue, 26 Dec 2006 14:21:37 +0000 |
parents | f9084d3862e8 |
children |
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--- a/run/a/asm_pavgb_01_A.d Tue Dec 26 14:21:29 2006 +0000 +++ b/run/a/asm_pavgb_01_A.d Tue Dec 26 14:21:37 2006 +0000 @@ -16,7 +16,7 @@ int main(){ haveSSE!()(); - byte[] a = new byte[8]; + byte* a = (new byte[8]).ptr; a[0] = 1; a[1] = 2; a[2] = 3; @@ -26,7 +26,7 @@ a[6] = 7; a[7] = 8; - byte[] b = new byte[8]; + byte* b = (new byte[8]).ptr; b[0] = 5; b[1] = 2; b[2] = 1; @@ -46,14 +46,32 @@ c[6] = 4; c[7] = 6; - byte[] d = new byte[8]; + byte* d = (new byte[8]).ptr; - asm{ - movq MM0, a; - movq MM1, b; - pavgb MM0, MM1; - movq d, MM0; - emms; + static if(size_t.sizeof == 4){ + asm{ + mov EAX, a; + movq MM0, [EAX]; + mov EAX, b; + movq MM1, [EAX]; + pavgb MM0, MM1; + mov EAX, d; + movq [EAX], MM0; + emms; + } + }else static if(size_t.sizeof == 8){ + asm{ + mov RAX, a; + movq MM0, [RAX]; + mov RAX, b; + movq MM1, [RAX]; + pavgb MM0, MM1; + mov RAX, d; + movq [RAX], MM0; + emms; + } + }else{ + static assert(0, "unhandled pointer size"); } for(size_t i = 0; i < c.length; i++){