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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-12 11:44:36 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-10-12 11:44:36 +0000
commit5b7ada46e5eca0fa9c94def7d5fa548590fac826 (patch)
tree7597068207057e9e0db641bf760d53bb222da8be /host-utils.h
parente95f5491bc4172f76d98f79de40a36098152937c (diff)
Only use __builtin_* with GCC >= 3.4
Fix gcc 3.3 builds, broken in revision 5465. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5466 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'host-utils.h')
-rw-r--r--host-utils.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/host-utils.h b/host-utils.h
index c907fe839..2a46c9baf 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);