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Extend gather-scatter optimization with prefetch optimization

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This commit is contained in:
Vsevolod Livinskiy
2014-09-25 15:59:31 +04:00
parent 8ff187a7b7
commit 0a6eb61ad0
9 changed files with 204 additions and 127 deletions
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5
ispc.cpp
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@@ -199,7 +199,8 @@ Target::Target(const char *arch, const char *cpu, const char *isa, bool pic) :
m_hasTranscendentals(false),
m_hasTrigonometry(false),
m_hasRsqrtd(false),
m_hasRcpd(false)
m_hasRcpd(false),
m_hasVecPrefetch(false)
{
if (isa == NULL) {
if (cpu != NULL) {
@@ -381,6 +382,8 @@ Target::Target(const char *arch, const char *cpu, const char *isa, bool pic) :
this->m_hasTrigonometry = false;
this->m_hasGather = this->m_hasScatter = true;
this->m_hasRsqrtd = this->m_hasRcpd = true;
// It's set to true, because MIC has hardware vector prefetch instruction
this->m_hasVecPrefetch = true;
}
else if (!strcasecmp(isa, "generic-32") ||
!strcasecmp(isa, "generic-x32")) {