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4 Commits

Author SHA1 Message Date
Stefan Pintilie f384606799 [PowerPC] Emit xscpsgndp instead of xxlor when copying floating point scalar registers for P9 
This patch will address using the xscpsgndp instruction to copy floating point
scalar registers instead of the xxlor (specifically XXLORf) instruction that is
currently used. Additionally, this patch of utilizing xscpsgndp will apply to
P9, while pre-P9 will still use xxlor.

Patch by amyk

Differential Revision: https://reviews.llvm.org/D50004

llvm-svn: 340643
 2018-08-24 20:00:24 +00:00
Stefan Pintilie 94259ba13a [PowerPC] [NFC] Update __float128 tests 
Add the two options -ppc-vsr-nums-as-vr and -ppc-asm-full-reg-names to
the __float128 tests. Then modify the tests as required.

llvm-svn: 336940
 2018-07-12 20:18:57 +00:00
Lei Huang 66e22c21c3 [Power9] Optimize codgen for conversions of int to float128 
Optimize code sequences for integer conversion to fp128 when the integer is a result of:
  * float->int
  * float->long
  * double->int
  * double->long

Differential Revision: https://reviews.llvm.org/D48429

llvm-svn: 336316
 2018-07-05 07:46:01 +00:00
Lei Huang a26f3be454 [Power9] Implement float128 parameter passing and return values 
This patch enable parameter passing and return by value for float128 types.
Passing aggregate/union which contain float128 members will be submitted in
subsequent patches.

Differential Revision: https://reviews.llvm.org/D47552

llvm-svn: 336306
 2018-07-05 04:10:15 +00:00