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Use the target-lexicon crate.

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This switches from a custom list of architectures to use the
target-lexicon crate.

 - "set is_64bit=1; isa x86" is replaced with "target x86_64", and
   similar for other architectures, and the `is_64bit` flag is removed
   entirely.

 - The `is_compressed` flag is removed too; it's no longer being used to
   control REX prefixes on x86-64, ARM and Thumb are separate
   architectures in target-lexicon, and we can figure out how to
   select RISC-V compressed encodings when we're ready.
This commit is contained in:
Dan Gohman
2018-05-25 11:41:14 -07:00
parent 2f3008aa40
commit 4e67e08efd
131 changed files with 487 additions and 499 deletions
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3
cranelift/filetests/isa/x86/optimized-zero-constants.cton
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@@ -1,7 +1,6 @@
; Check that floating-point constants equal to zero are optimized correctly.
test binemit
set is_64bit=1
isa x86
target x86_64
function %zero_const_32bit_no_rex() -> f32 fast {
ebb0: