X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Flibm.h;h=a71c4c05ab092b77bfd2c24e8a6eaab569745bea;hb=d712dd396d7d69686f7001fd986bfc59217b72dd;hp=8c5474a8483091e4d5582722b9e0916755845227;hpb=13e400b3559666b5e584bdf6f8450aad826b43ae;p=musl

diff --git a/src/internal/libm.h b/src/internal/libm.h
index 8c5474a8..a71c4c05 100644
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -32,6 +32,19 @@ union dshape {
 	uint64_t bits;
 };
 
+#define FORCE_EVAL(x) do {                          \
+	if (sizeof(x) == sizeof(float)) {           \
+		volatile float __x;                 \
+		__x = (x);                          \
+	} else if (sizeof(x) == sizeof(double)) {   \
+		volatile double __x;                \
+		__x = (x);                          \
+	} else {                                    \
+		volatile long double __x;           \
+		__x = (x);                          \
+	}                                           \
+} while(0)
+
 /* Get two 32 bit ints from a double.  */
 #define EXTRACT_WORDS(hi,lo,d)                                  \
 do {                                                            \