X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=host-utils.h;fp=host-utils.h;h=2a46c9baff0e36eb2eb3cb072d87e768d02aef1f;hb=5b7ada46e5eca0fa9c94def7d5fa548590fac826;hp=c907fe839afe4f3d716f7b5a384045685b27a145;hpb=e95f5491bc4172f76d98f79de40a36098152937c;p=qemu

diff --git a/host-utils.h b/host-utils.h
index c907fe8..2a46c9b 100644
--- a/host-utils.h
+++ b/host-utils.h
@@ -51,7 +51,7 @@ void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b);
 
 static always_inline int clz32(uint32_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     if (val)
         return __builtin_clz(val);
     else
@@ -93,7 +93,7 @@ static always_inline int clo32(uint32_t val)
 
 static always_inline int clz64(uint64_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     if (val)
         return __builtin_clzll(val);
     else
@@ -118,7 +118,7 @@ static always_inline int clo64(uint64_t val)
 
 static always_inline int ctz32 (uint32_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     if (val)
         return __builtin_ctz(val);
     else
@@ -162,7 +162,7 @@ static always_inline int cto32 (uint32_t val)
 
 static always_inline int ctz64 (uint64_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     if (val)
         return __builtin_ctz(val);
     else
@@ -206,7 +206,7 @@ static always_inline int ctpop16 (uint16_t val)
 
 static always_inline int ctpop32 (uint32_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     return __builtin_popcount(val);
 #else
     val = (val & 0x55555555) + ((val >>  1) & 0x55555555);
@@ -221,7 +221,7 @@ static always_inline int ctpop32 (uint32_t val)
 
 static always_inline int ctpop64 (uint64_t val)
 {
-#if defined(__GNUC__)
+#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
     return __builtin_popcountll(val);
 #else
     val = (val & 0x5555555555555555ULL) + ((val >>  1) & 0x5555555555555555ULL);