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| author | Stephen Hines <srhines@google.com> | 2014-04-23 16:57:46 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-04-24 15:53:16 -0700 |
| commit | 36b56886974eae4f9c5ebc96befd3e7bfe5de338 (patch) | |
| tree | e6cfb69fbbd937f450eeb83bfb83b9da3b01275a /lib/Target/X86/X86RegisterInfo.td | |
| parent | 69a8640022b04415ae9fac62f8ab090601d8f889 (diff) | |
| download | external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.zip external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.gz external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.bz2 | |
Update to LLVM 3.5a.
Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.td')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index b802728..33c402b 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -463,9 +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 VK8 : RegisterClass<"X86", [v8i1], 8, (sequence "K%u", 0, 7)>; -def VK16 : RegisterClass<"X86", [v16i1], 16, (add VK8)>; - -def VK8WM : RegisterClass<"X86", [v8i1], 8, (sub VK8, K0)>; +// 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, (add VK1)> {let Size = 16;} +def VK16 : RegisterClass<"X86", [v16i1], 16, (add VK8)> {let Size = 16;} + +def VK1WM : RegisterClass<"X86", [i1], 16, (sub VK1, K0)> {let Size = 16;} +def VK8WM : RegisterClass<"X86", [v8i1], 16, (sub VK8, K0)> {let Size = 16;} def VK16WM : RegisterClass<"X86", [v16i1], 16, (add VK8WM)>; |