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| author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2011-08-08 06:31:10 +0000 |
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| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2011-08-08 06:31:10 +0000 |
| commit | 5909a0340ad0fe871dede1eaead855fb4b68fb0e (patch) | |
| tree | 4dd849283a636edd09bbcc8be8c6371a11b6faa0 /ia32/standard | |
| parent | 5d1c52555bb166430402103afe9540cc4c296487 (diff) | |
| download | compcert-5909a0340ad0fe871dede1eaead855fb4b68fb0e.tar.gz compcert-5909a0340ad0fe871dede1eaead855fb4b68fb0e.zip | |
IA32 port: more faithful treatment of pseudoregister ST0.
Related general change: support for destroyed_at_moves.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1700 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'ia32/standard')
| -rw-r--r-- | ia32/standard/Conventions1.v | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/ia32/standard/Conventions1.v b/ia32/standard/Conventions1.v index 781617e7..49f5da92 100644 --- a/ia32/standard/Conventions1.v +++ b/ia32/standard/Conventions1.v @@ -42,15 +42,22 @@ Definition float_callee_save_regs : list mreg := nil. Definition destroyed_at_call_regs := int_caller_save_regs ++ float_caller_save_regs. -Definition destroyed_at_call := - List.map R destroyed_at_call_regs. +Definition destroyed_at_call := List.map R destroyed_at_call_regs. Definition int_temporaries := IT1 :: IT2 :: nil. -Definition float_temporaries := FT1 :: FT2 :: FP0 :: nil. +Definition float_temporaries := FT1 :: FT2 :: nil. + +(** [FP0] is not used for reloading, hence it is not in [float_temporaries], + however it is not allocatable, hence it is in [temporaries]. *) -Definition temporaries := - R IT1 :: R IT2 :: R FT1 :: R FT2 :: R FP0 :: nil. +Definition temporary_regs := IT1 :: IT2 :: FT1 :: FT2 :: FP0 :: nil. + +Definition temporaries := List.map R temporary_regs. + +Definition destroyed_at_move_regs := FP0 :: nil. + +Definition destroyed_at_move := List.map R destroyed_at_move_regs. Definition dummy_int_reg := AX. (**r Used in [Coloring]. *) Definition dummy_float_reg := X0. (**r Used in [Coloring]. *) |