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Diffstat (limited to 'arch/powerpc/math-emu/math.c')
-rw-r--r--arch/powerpc/math-emu/math.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c
index f9ef347..49eb2ac 100644
--- a/arch/powerpc/math-emu/math.c
+++ b/arch/powerpc/math-emu/math.c
@@ -13,6 +13,20 @@
#define FLOATFUNC(x) extern int x(void *, void *, void *, void *)
+/* The instructions list which may be not implemented by a hardware FPU */
+FLOATFUNC(fre);
+FLOATFUNC(frsqrtes);
+FLOATFUNC(fsqrt);
+FLOATFUNC(fsqrts);
+FLOATFUNC(mtfsf);
+FLOATFUNC(mtfsfi);
+
+#ifdef CONFIG_MATH_EMULATION_HW_UNIMPLEMENTED
+#undef FLOATFUNC(x)
+#define FLOATFUNC(x) static inline int x(void *op1, void *op2, void *op3, \
+ void *op4) { }
+#endif
+
FLOATFUNC(fadd);
FLOATFUNC(fadds);
FLOATFUNC(fdiv);
@@ -42,8 +56,6 @@ FLOATFUNC(mcrfs);
FLOATFUNC(mffs);
FLOATFUNC(mtfsb0);
FLOATFUNC(mtfsb1);
-FLOATFUNC(mtfsf);
-FLOATFUNC(mtfsfi);
FLOATFUNC(lfd);
FLOATFUNC(lfs);
@@ -58,13 +70,9 @@ FLOATFUNC(fnabs);
FLOATFUNC(fneg);
/* Optional */
-FLOATFUNC(fre);
FLOATFUNC(fres);
FLOATFUNC(frsqrte);
-FLOATFUNC(frsqrtes);
FLOATFUNC(fsel);
-FLOATFUNC(fsqrt);
-FLOATFUNC(fsqrts);
#define OP31 0x1f /* 31 */
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