diff run/a/asm_pfsubr_01_A.d @ 1288:61d7e32e70a8

partial inline asm review
author thomask
date Wed, 27 Dec 2006 11:59:19 +0000
parents 7360e428ad73
children 7a397590d6e0
line wrap: on
line diff
--- a/run/a/asm_pfsubr_01_A.d	Wed Dec 27 11:59:05 2006 +0000
+++ b/run/a/asm_pfsubr_01_A.d	Wed Dec 27 11:59:19 2006 +0000
@@ -16,29 +16,47 @@
 	int main(){
 		have3DNow!()();
 
-		float[] a = new	float[2];
+		float* a = (new float[2]).ptr;
 		a[0] = 6.0f;
 		a[1] = 2.0f;
 
-		float[] b = new float[2];
+		float* b = (new float[2]).ptr;
 		b[0] = 2.0f;
 		b[1] = 1.0f;
 
-		float[] c = new float[2];
+		float* c = (new float[2]).ptr;
 
-		asm{
-			movq MM0, a;
-			movq MM1, b;
-			pfsubr MM0, MM1;
-			movq c, MM0;
-			emms;
+		static if(size_t.sizeof == 4){
+			asm{
+				mov EAX, a;
+				movq MM0, [EAX];
+				mov EAX, b;
+				movq MM1, [EAX];
+				pfsubr MM0, MM1;
+				mov EAX, c;
+				movq [EAX], MM0;
+				emms;
+			}
+		}else static if(size_t.sizeof == 8){
+			asm{
+				mov RAX, a;
+				movq MM0, [RAX];
+				mov RAX, b;
+				movq MM1, [RAX];
+				pfsubr MM0, MM1;
+				mov RAX, c;
+				movq [RAX], MM0;
+				emms;
+			}
+		}else{
+			static assert(0, "unhandled pointer size");
 		}
 
 		if(c[0] != -4.0f){
 			assert(0);
 		}
 
-		if(c[1] != -3.0f){
+		if(c[1] != -1.0f){
 			assert(0);
 		}