MIPS: math-emu: Switch to using the MIPS rounding modes.
Previously math-emu was using the IEEE-754 constants internally. These
were differing by having the constants for rounding to +/- infinity
switched, so a conversion was necessary. This would be entirely
avoidable if the MIPS constants were used throughout, so get rid of
the bloat.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index 0384c09..041bbb61 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -80,7 +80,7 @@
oldcsr = ieee754_csr;
ieee754_csr.mx &= ~IEEE754_INEXACT;
ieee754_csr.sx &= ~IEEE754_INEXACT;
- ieee754_csr.rm = IEEE754_RN;
+ ieee754_csr.rm = FPU_CSR_RN;
/* adjust exponent to prevent overflow */
scalx = 0;
@@ -122,7 +122,7 @@
/* twiddle last bit to force y correctly rounded */
/* set RZ, clear INEX flag */
- ieee754_csr.rm = IEEE754_RZ;
+ ieee754_csr.rm = FPU_CSR_RZ;
ieee754_csr.sx &= ~IEEE754_INEXACT;
/* t=x/y; ...chopped quotient, possibly inexact */
@@ -139,10 +139,10 @@
oldcsr.sx |= IEEE754_INEXACT;
switch (oldcsr.rm) {
- case IEEE754_RU:
+ case FPU_CSR_RU:
y.bits += 1;
/* drop through */
- case IEEE754_RN:
+ case FPU_CSR_RN:
t.bits += 1;
break;
}