[all-commits] [llvm/llvm-project] 02728f: [X86] Model MXCSR for MMX FP instructions

[Pengfei Wang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 02728f49da7b0284c3b06abade7ad0e17ee8d224
      https://github.com/llvm/llvm-project/commit/02728f49da7b0284c3b06abade7ad0e17ee8d224
  Author: Pengfei Wang <pengfei.wang at intel.com>
  Date:   2019-11-01 (Fri, 01 Nov 2019)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrMMX.td
    A llvm/test/CodeGen/X86/mmx-reg-usage.ll

  Log Message:
  -----------
  [X86] Model MXCSR for MMX FP instructions

Summary:
This patch models MXCSR and adds flag "mayRaiseFPException" for MMX FP
instructions.

Reviewers: craig.topper, andrew.w.kaylor, RKSimon, cameron.mcinally

Reviewed By: craig.topper

Subscribers: hiraditya, llvm-commits, LiuChen3

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69702