summaryrefslogtreecommitdiff
path: root/target-ppc/op_helper.h
diff options
context:
space:
mode:
authorj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-28 12:54:53 +0000
committerj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-28 12:54:53 +0000
commit603fcccece43303c623df2561f85ab2baba95e5f (patch)
treea0899a3380000364faffe79d80844542fd24a17c /target-ppc/op_helper.h
parentb9ef45ffa8df1b63b8d126910f62541fa355155e (diff)
downloadqemu-603fcccece43303c623df2561f85ab2baba95e5f.zip
Make Alpha and PowerPC targets use shared helpers
for clz, clo, ctz, cto and ctpop. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3466 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.h')
-rw-r--r--target-ppc/op_helper.h76
1 files changed, 4 insertions, 72 deletions
diff --git a/target-ppc/op_helper.h b/target-ppc/op_helper.h
index 6597b3ca58..915b32a28e 100644
--- a/target-ppc/op_helper.h
+++ b/target-ppc/op_helper.h
@@ -75,6 +75,10 @@ void do_nego (void);
void do_subfe (void);
void do_subfmeo (void);
void do_subfzeo (void);
+void do_cntlzw (void);
+#if defined(TARGET_PPC64)
+void do_cntlzd (void);
+#endif
void do_sraw (void);
#if defined(TARGET_PPC64)
void do_adde_64 (void);
@@ -285,78 +289,6 @@ void do_evfsctsiz (void);
void do_evfsctuiz (void);
#endif /* defined(TARGET_PPCEMB) */
-/* Inlined helpers: used in micro-operation as well as helpers */
-/* Generic fixed-point helpers */
-static always_inline int _do_cntlzw (uint32_t val)
-{
- int cnt = 0;
- if (!(val & 0xFFFF0000UL)) {
- cnt += 16;
- val <<= 16;
- }
- if (!(val & 0xFF000000UL)) {
- cnt += 8;
- val <<= 8;
- }
- if (!(val & 0xF0000000UL)) {
- cnt += 4;
- val <<= 4;
- }
- if (!(val & 0xC0000000UL)) {
- cnt += 2;
- val <<= 2;
- }
- if (!(val & 0x80000000UL)) {
- cnt++;
- val <<= 1;
- }
- if (!(val & 0x80000000UL)) {
- cnt++;
- }
- return cnt;
-}
-
-static always_inline int _do_cntlzd (uint64_t val)
-{
- int cnt = 0;
-#if HOST_LONG_BITS == 64
- if (!(val & 0xFFFFFFFF00000000ULL)) {
- cnt += 32;
- val <<= 32;
- }
- if (!(val & 0xFFFF000000000000ULL)) {
- cnt += 16;
- val <<= 16;
- }
- if (!(val & 0xFF00000000000000ULL)) {
- cnt += 8;
- val <<= 8;
- }
- if (!(val & 0xF000000000000000ULL)) {
- cnt += 4;
- val <<= 4;
- }
- if (!(val & 0xC000000000000000ULL)) {
- cnt += 2;
- val <<= 2;
- }
- if (!(val & 0x8000000000000000ULL)) {
- cnt++;
- val <<= 1;
- }
- if (!(val & 0x8000000000000000ULL)) {
- cnt++;
- }
-#else
- /* Make it easier on 32 bits host machines */
- if (!(val >> 32))
- cnt = _do_cntlzw(val) + 32;
- else
- cnt = _do_cntlzw(val >> 32);
-#endif
- return cnt;
-}
-
#if defined(TARGET_PPCEMB)
/* SPE extension */
/* Single precision floating-point helpers */