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Fix PR 1681. When X86 target uses +sse -sse2,
authorDale Johannesen <dalej@apple.com>
Sun, 23 Sep 2007 14:52:20 +0000 (14:52 +0000)
committerDale Johannesen <dalej@apple.com>
Sun, 23 Sep 2007 14:52:20 +0000 (14:52 +0000)
commitf1fc3a8fa6d4e81e30c08983d786c640acb2591c
tree309842454fb97a870e0b66d8dc70bfa9ef9b17b7
parentab4456f10a72f3a7c73dac0e95578b9b7e4250b8
Fix PR 1681.  When X86 target uses +sse -sse2,
keep f32 in SSE registers and f64 in x87.  This
is effectively a new codegen mode.
Change addLegalFPImmediate to permit float and
double variants to do different things.
Adjust callers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Target/TargetLowering.h
lib/Target/Alpha/AlphaISelLowering.cpp
lib/Target/IA64/IA64ISelLowering.cpp
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86ISelLowering.h
lib/Target/X86/X86InstrFPStack.td
lib/Target/X86/X86InstrInfo.td
lib/Target/X86/X86InstrSSE.td