llvm-6502/neon_fpconv.ll at 0a63b6ac79a9234982ce5d0bdc9aabd0c5e01245 - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-25 00:33:15 +00:00

Eli Friedman 846ce8ea67 Mark FP_ROUND for converting NEON v2f64 to v2f32 as expand. Add a missing

case to vector legalization so this actually works.

Patch by Pete Couperus.  Fixes PR12540.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168107 91177308-0d34-0410-b5e6-96231b3b80d8

2012-11-15 22:44:27 +00:00

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 ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
 ; PR12540: ARM backend lowering of FP_ROUND v2f64 to v2f32.
 define <2 x float> @vtrunc(<2 x double> %a) {
 ; CHECK: vcvt.f32.f64 [[S0:s[0-9]+]], [[D0:d[0-9]+]]
 ; CHECK: vcvt.f32.f64 [[S1:s[0-9]+]], [[D1:d[0-9]+]]
   %vt = fptrunc <2 x double> %a to <2 x float>
   ret <2 x float> %vt
 }