Simon Pilgrim b68da8c2ed [CostModel][X86] Add SREM/UREM general and constant costs (PR38056) ...

We penalize general SDIV/UDIV costs but don't do the same for SREM/UREM.

This patch makes general vector SREM/UREM x20 as costly as scalar, the same approach as we do for SDIV/UDIV. The patch also extends the existing SDIV/UDIV constant costs for SREM/UREM - at the moment this means the additional cost of a MUL+SUB (see D48975).

Differential Revision: https://reviews.llvm.org/D48980

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336486 91177308-0d34-0410-b5e6-96231b3b80d8

2018-07-07 16:53:30 +00:00

..

AArch64

[AArch64] Add custom lowering for v4i8 trunc store

2018-06-27 13:58:46 +00:00

AMDGPU

[AMDGPU] Switch to the new addr space mapping by default

2018-02-02 16:07:16 +00:00

ARM

Convert an APInt to int64_t properly in TTI::getGEPCost().

2017-10-04 20:47:33 +00:00

PowerPC

[PPC] Give unaligned memory access lower cost on processor that supports it

2017-02-17 22:29:39 +00:00

SystemZ

[SystemZ] Add support for IBM z14 processor (2/3)

2017-07-17 17:42:48 +00:00

X86

[CostModel][X86] Add SREM/UREM general and constant costs (PR38056)

2018-07-07 16:53:30 +00:00

no_info.ll

Roll forward r243250

2015-07-26 19:10:03 +00:00