patch-2.4.19 linux-2.4.19/include/asm-i386/xor.h

• Lines: 250
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-i386/xor.h
• Orig date: Fri Sep 14 14:25:21 2001

diff -urN linux-2.4.18/include/asm-i386/xor.h linux-2.4.19/include/asm-i386/xor.h
@@ -76,9 +76,9 @@
 	"       addl $128, %2         ;\n"
 	"       decl %0               ;\n"
 	"       jnz 1b                ;\n"
-       	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2)
+	:
 	: "memory");
 
 	FPU_RESTORE;
@@ -126,9 +126,9 @@
 	"       addl $128, %3         ;\n"
 	"       decl %0               ;\n"
 	"       jnz 1b                ;\n"
-       	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3)
+	:
 	: "memory");
 
 	FPU_RESTORE;
@@ -181,14 +181,15 @@
 	"       addl $128, %4         ;\n"
 	"       decl %0               ;\n"
 	"       jnz 1b                ;\n"
-       	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3), "+r" (p4)
+	:
 	: "memory");
 
 	FPU_RESTORE;
 }
 
+
 static void
 xor_pII_mmx_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 	      unsigned long *p3, unsigned long *p4, unsigned long *p5)
@@ -198,7 +199,11 @@
 
 	FPU_SAVE;
 
+	/* need to save/restore p4/p5 manually otherwise gcc's 10 argument
+	   limit gets exceeded (+ counts as two arguments) */
 	__asm__ __volatile__ (
+		"  pushl %4\n"
+		"  pushl %5\n"
 #undef BLOCK
 #define BLOCK(i) \
 	LD(i,0)					\
@@ -241,9 +246,11 @@
 	"       addl $128, %5         ;\n"
 	"       decl %0               ;\n"
 	"       jnz 1b                ;\n"
-       	:
-	: "g" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5)
+	"	popl %5\n"
+	"	popl %4\n"
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3)
+	: "r" (p4), "r" (p5) 
 	: "memory");
 
 	FPU_RESTORE;
@@ -297,9 +304,9 @@
 	"       addl $64, %2         ;\n"
 	"       decl %0              ;\n"
 	"       jnz 1b               ;\n"
-	: 
-	: "r" (lines),
-	  "r" (p1), "r" (p2)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2)
+	:
 	: "memory");
 
 	FPU_RESTORE;
@@ -355,9 +362,9 @@
 	"       addl $64, %3         ;\n"
 	"       decl %0              ;\n"
 	"       jnz 1b               ;\n"
-	: 
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3)
+	:
 	: "memory" );
 
 	FPU_RESTORE;
@@ -422,9 +429,9 @@
 	"       addl $64, %4         ;\n"
 	"       decl %0              ;\n"
 	"       jnz 1b               ;\n"
-	: 
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4)
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3), "+r" (p4)
+	:
 	: "memory");
 
 	FPU_RESTORE;
@@ -439,7 +446,10 @@
 
 	FPU_SAVE;
 
+	/* need to save p4/p5 manually to not exceed gcc's 10 argument limit */
 	__asm__ __volatile__ (
+	"	pushl %4\n"
+	"	pushl %5\n"        	
 	" .align 32,0x90             ;\n"
 	" 1:                         ;\n"
 	"       movq   (%1), %%mm0   ;\n"
@@ -498,9 +508,11 @@
 	"       addl $64, %5         ;\n"
 	"       decl %0              ;\n"
 	"       jnz 1b               ;\n"
-	: 
-	: "g" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5)
+	"	popl %5\n"
+	"	popl %4\n"
+	: "+g" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3)
+	: "r" (p4), "r" (p5)
 	: "memory");
 
 	FPU_RESTORE;
@@ -538,7 +550,7 @@
 		"movups %%xmm1,0x10(%1)	;\n\t"	\
 		"movups %%xmm2,0x20(%1)	;\n\t"	\
 		"movups %%xmm3,0x30(%1)	;\n\t"	\
-		: "=r" (cr0)			\
+		: "=&r" (cr0)			\
 		: "r" (xmm_save) 		\
 		: "memory")
 
@@ -554,6 +566,8 @@
 		: "r" (cr0), "r" (xmm_save)	\
 		: "memory")
 
+#define ALIGN16 __attribute__((aligned(16)))
+
 #define OFFS(x)		"16*("#x")"
 #define PF_OFFS(x)	"256+16*("#x")"
 #define	PF0(x)		"	prefetchnta "PF_OFFS(x)"(%1)		;\n"
@@ -575,7 +589,7 @@
 xor_sse_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 {
         unsigned long lines = bytes >> 8;
-	char xmm_save[16*4];
+	char xmm_save[16*4] ALIGN16;
 	int cr0;
 
 	XMMS_SAVE;
@@ -616,9 +630,9 @@
         "       addl $256, %2           ;\n"
         "       decl %0                 ;\n"
         "       jnz 1b                  ;\n"
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2)
 	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2)
         : "memory");
 
 	XMMS_RESTORE;
@@ -629,7 +643,7 @@
 	  unsigned long *p3)
 {
         unsigned long lines = bytes >> 8;
-	char xmm_save[16*4];
+	char xmm_save[16*4] ALIGN16;
 	int cr0;
 
 	XMMS_SAVE;
@@ -677,9 +691,9 @@
         "       addl $256, %3           ;\n"
         "       decl %0                 ;\n"
         "       jnz 1b                  ;\n"
+	: "+r" (lines),
+	  "+r" (p1), "+r"(p2), "+r"(p3)
 	:
-	: "r" (lines),
-	  "r" (p1), "r"(p2), "r"(p3)
         : "memory" );
 
 	XMMS_RESTORE;
@@ -690,7 +704,7 @@
 	  unsigned long *p3, unsigned long *p4)
 {
         unsigned long lines = bytes >> 8;
-	char xmm_save[16*4];
+	char xmm_save[16*4] ALIGN16;
 	int cr0;
 
 	XMMS_SAVE;
@@ -745,9 +759,9 @@
         "       addl $256, %4           ;\n"
         "       decl %0                 ;\n"
         "       jnz 1b                  ;\n"
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3), "+r" (p4)
 	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4)
         : "memory" );
 
 	XMMS_RESTORE;
@@ -758,12 +772,15 @@
 	  unsigned long *p3, unsigned long *p4, unsigned long *p5)
 {
         unsigned long lines = bytes >> 8;
-	char xmm_save[16*4];
+	char xmm_save[16*4] ALIGN16;
 	int cr0;
 
 	XMMS_SAVE;
 
+	/* need to save p4/p5 manually to not exceed gcc's 10 argument limit */
         __asm__ __volatile__ (
+		" pushl %4\n"
+		" pushl %5\n"
 #undef BLOCK
 #define BLOCK(i) \
 		PF1(i)					\
@@ -820,9 +837,11 @@
         "       addl $256, %5           ;\n"
         "       decl %0                 ;\n"
         "       jnz 1b                  ;\n"
-	:
-	: "r" (lines),
-	  "r" (p1), "r" (p2), "r" (p3), "r" (p4), "r" (p5)
+	"	popl %5\n"	
+	"	popl %4\n"	
+	: "+r" (lines),
+	  "+r" (p1), "+r" (p2), "+r" (p3)
+	: "r" (p4), "r" (p5)
 	: "memory");
 
 	XMMS_RESTORE;