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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4548
This commit is contained in:
Nicholas Nethercote 2005-08-28 05:21:17 +00:00
parent 2a2434f7d9
commit a8e6f9f6cf
1 changed files with 3 additions and 0 deletions
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3
addrcheck/ac_main.c
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@ -707,6 +707,7 @@ static __inline__ void ac_helperc_ACCESS4 ( Addr a, Bool isWrite )
abits >>= (a & 4);
abits &= 15;
PROF_EVENT(66, "");
// XXX: Should this be "if (!is_distinguished_sm(sm) && abits == VGM_NIBBLE_VALID)"?
if (abits == VGM_NIBBLE_VALID) {
/* Handle common case quickly: a is suitably aligned, is mapped,
and is addressible. So just return. */
@ -727,6 +728,7 @@ static __inline__ void ac_helperc_ACCESS2 ( Addr a, Bool isWrite )
AcSecMap* sm = primary_map[sec_no];
UInt a_off = (SM_OFF(a)) >> 3;
PROF_EVENT(67, "");
// XXX: Should this be "if (!is_distinguished_sm(sm) && sm->abits[a_off] == VGM_BYTE_VALID)"?
if (sm->abits[a_off] == VGM_BYTE_VALID) {
/* Handle common case quickly. */
return;
@ -746,6 +748,7 @@ static __inline__ void ac_helperc_ACCESS1 ( Addr a, Bool isWrite )
AcSecMap* sm = primary_map[sec_no];
UInt a_off = (SM_OFF(a)) >> 3;
PROF_EVENT(68, "");
// XXX: Should this be "if (!is_distinguished_sm(sm) && sm->abits[a_off] == VGM_BYTE_VALID)"?
if (sm->abits[a_off] == VGM_BYTE_VALID) {
/* Handle common case quickly. */
return;