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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2014-02-18 07:52:26 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2014-02-18 07:52:26 +0000 |
| commit | 2e58f4605d21dfad4c74e928fe94151d7ee0fdd8 (patch) | |
| tree | 6cbb97815d987f339847bfebbeae235eafed3ce4 /lib | |
| parent | 47f6b173f5c8fa5d8544d08a6eee89ed0a32bf6b (diff) | |
| download | llvm-2e58f4605d21dfad4c74e928fe94151d7ee0fdd8.tar.gz llvm-2e58f4605d21dfad4c74e928fe94151d7ee0fdd8.tar.bz2 llvm-2e58f4605d21dfad4c74e928fe94151d7ee0fdd8.tar.xz | |
AVX-512: Fixed size of mask registers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201546 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index 8d79e13b1d..a88b2bb1f1 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -463,11 +463,13 @@ def VR128X : RegisterClass<"X86", [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], def VR256X : RegisterClass<"X86", [v32i8, v16i16, v8i32, v4i64, v8f32, v4f64], 256, (sequence "YMM%u", 0, 31)>; -def VK1 : RegisterClass<"X86", [i1], 1, (sequence "K%u", 0, 7)>; -def VK8 : RegisterClass<"X86", [v8i1], 8, (sequence "K%u", 0, 7)>; +// The size of the all masked registers is 16 bit because we have only one +// KMOVW istruction that can store this register in memory, and it writes 2 bytes +def VK1 : RegisterClass<"X86", [i1], 16, (sequence "K%u", 0, 7)>; +def VK8 : RegisterClass<"X86", [v8i1], 16, (sequence "K%u", 0, 7)>; def VK16 : RegisterClass<"X86", [v16i1], 16, (add VK8)>; -def VK1WM : RegisterClass<"X86", [i1], 1, (sub VK1, K0)>; -def VK8WM : RegisterClass<"X86", [v8i1], 8, (sub VK8, K0)>; +def VK1WM : RegisterClass<"X86", [i1], 16, (sub VK1, K0)>; +def VK8WM : RegisterClass<"X86", [v8i1], 16, (sub VK8, K0)>; def VK16WM : RegisterClass<"X86", [v16i1], 16, (add VK8WM)>; |