summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/ARM/ARMSubtarget.h
diff options
context:
space:
mode:
authorBob Wilson <bob.wilson@apple.com>2010-09-29 17:54:10 +0000
committerBob Wilson <bob.wilson@apple.com>2010-09-29 17:54:10 +0000
commit97bf273870265c3977b6485d37a93f026b567daf (patch)
treea89ccd9d69411acad3443a4fc6e059c6c9c99a19 /llvm/lib/Target/ARM/ARMSubtarget.h
parent620f9d1548a56350e7ad31e1eae85439ecb28382 (diff)
downloadbcm5719-llvm-97bf273870265c3977b6485d37a93f026b567daf.tar.gz
bcm5719-llvm-97bf273870265c3977b6485d37a93f026b567daf.zip
Increase ARM APCS preferred alignment for i64 and f64 from 32 bits to 64 bits.
LDM/STM instructions can run one cycle faster on some ARM processors if the memory address is 64-bit aligned. Radar 8489376. llvm-svn: 115047
Diffstat (limited to 'llvm/lib/Target/ARM/ARMSubtarget.h')
-rw-r--r--llvm/lib/Target/ARM/ARMSubtarget.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index aefd130b9a8..1188c6dedd9 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -218,7 +218,7 @@ protected:
std::string getDataLayout() const {
if (isThumb()) {
if (isAPCS_ABI()) {
- return std::string("e-p:32:32-f64:32:32-i64:32:32-"
+ return std::string("e-p:32:32-f64:32:64-i64:32:64-"
"i16:16:32-i8:8:32-i1:8:32-"
"v128:32:128-v64:32:64-a:0:32-n32");
} else {
@@ -228,7 +228,7 @@ protected:
}
} else {
if (isAPCS_ABI()) {
- return std::string("e-p:32:32-f64:32:32-i64:32:32-"
+ return std::string("e-p:32:32-f64:32:64-i64:32:64-"
"v128:32:128-v64:32:64-n32");
} else {
return std::string("e-p:32:32-f64:64:64-i64:64:64-"
OpenPOWER on IntegriCloud