aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorIvan Kokshaysky <ink@jurassic.park.msu.ru>2007-04-16 22:53:21 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-17 16:36:27 -0700
commit88ed39b064575b4f42ecb737ec2daa66717de173 (patch)
treea9c181fc229fbe6f1f6d70372256d3fd7a3150b9
parentalpha: more fixes for specific machine types (diff)
downloadlinux-dev-88ed39b064575b4f42ecb737ec2daa66717de173.tar.xz
linux-dev-88ed39b064575b4f42ecb737ec2daa66717de173.zip
alpha: build fixes - force architecture
Override compiler .arch directive for generic kernel build. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/alpha/kernel/sys_titan.c3
-rw-r--r--include/asm-alpha/compiler.h47
2 files changed, 36 insertions, 14 deletions
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 29ab7db81c30..f009b7bc0943 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -257,8 +257,7 @@ titan_dispatch_irqs(u64 mask)
*/
while (mask) {
/* convert to SRM vector... priority is <63> -> <0> */
- __asm__("ctlz %1, %0" : "=r"(vector) : "r"(mask));
- vector = 63 - vector;
+ vector = 63 - __kernel_ctlz(mask);
mask &= ~(1UL << vector); /* clear it out */
vector = 0x900 + (vector << 4); /* convert to SRM vector */
diff --git a/include/asm-alpha/compiler.h b/include/asm-alpha/compiler.h
index d2768cc3d7a4..da6bb199839c 100644
--- a/include/asm-alpha/compiler.h
+++ b/include/asm-alpha/compiler.h
@@ -17,9 +17,6 @@
# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift)
# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift)
# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b)
-# define __kernel_cttz(x) __builtin_ctzl(x)
-# define __kernel_ctlz(x) __builtin_clzl(x)
-# define __kernel_ctpop(x) __builtin_popcountl(x)
#else
# define __kernel_insbl(val, shift) \
({ unsigned long __kir; \
@@ -49,17 +46,39 @@
({ unsigned long __kir; \
__asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \
__kir; })
+#endif
+
+#ifdef __alpha_cix__
+# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3
+# define __kernel_cttz(x) __builtin_ctzl(x)
+# define __kernel_ctlz(x) __builtin_clzl(x)
+# define __kernel_ctpop(x) __builtin_popcountl(x)
+# else
+# define __kernel_cttz(x) \
+ ({ unsigned long __kir; \
+ __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \
+ __kir; })
+# define __kernel_ctlz(x) \
+ ({ unsigned long __kir; \
+ __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \
+ __kir; })
+# define __kernel_ctpop(x) \
+ ({ unsigned long __kir; \
+ __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \
+ __kir; })
+# endif
+#else
# define __kernel_cttz(x) \
({ unsigned long __kir; \
- __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \
+ __asm__(".arch ev67; cttz %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
# define __kernel_ctlz(x) \
({ unsigned long __kir; \
- __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \
+ __asm__(".arch ev67; ctlz %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
# define __kernel_ctpop(x) \
({ unsigned long __kir; \
- __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \
+ __asm__(".arch ev67; ctpop %1,%0" : "=r"(__kir) : "r"(x)); \
__kir; })
#endif
@@ -78,16 +97,20 @@
#else
#define __kernel_ldbu(mem) \
({ unsigned char __kir; \
- __asm__("ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
+ __asm__(".arch ev56; \
+ ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
__kir; })
#define __kernel_ldwu(mem) \
({ unsigned short __kir; \
- __asm__("ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
+ __asm__(".arch ev56; \
+ ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
__kir; })
-#define __kernel_stb(val,mem) \
- __asm__("stb %1,%0" : "=m"(mem) : "r"(val))
-#define __kernel_stw(val,mem) \
- __asm__("stw %1,%0" : "=m"(mem) : "r"(val))
+#define __kernel_stb(val,mem) \
+ __asm__(".arch ev56; \
+ stb %1,%0" : "=m"(mem) : "r"(val))
+#define __kernel_stw(val,mem) \
+ __asm__(".arch ev56; \
+ stw %1,%0" : "=m"(mem) : "r"(val))
#endif
#ifdef __KERNEL__