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authorXavier Leroy <xavier.leroy@inria.fr>2015-04-23 15:01:53 +0200
committerXavier Leroy <xavier.leroy@inria.fr>2015-04-23 15:01:53 +0200
commitb1e584557d2c5ef8422694ea6453f537dbd1573a (patch)
tree1a72485fa0a1b629d461bba274d22b83f413756a /ia32
parent5ad466befa609df178f04886484ee38b1a9c44ed (diff)
downloadcompcert-b1e584557d2c5ef8422694ea6453f537dbd1573a.tar.gz
compcert-b1e584557d2c5ef8422694ea6453f537dbd1573a.zip
Allow "scratch" (non-allocatable temporary registers) to be mentioned in asm clobber lists.
Diffstat (limited to 'ia32')
-rw-r--r--ia32/Machregsaux.ml2
-rw-r--r--ia32/Machregsaux.mli1
2 files changed, 3 insertions, 0 deletions
diff --git a/ia32/Machregsaux.ml b/ia32/Machregsaux.ml
index 75fd588a..5e98b58b 100644
--- a/ia32/Machregsaux.ml
+++ b/ia32/Machregsaux.ml
@@ -22,6 +22,8 @@ let register_names = [
("ST0", FP0)
]
+let scratch_register_names = []
+
let name_of_register r =
let rec rev_assoc = function
| [] -> None
diff --git a/ia32/Machregsaux.mli b/ia32/Machregsaux.mli
index f09ebddb..f0feec96 100644
--- a/ia32/Machregsaux.mli
+++ b/ia32/Machregsaux.mli
@@ -14,5 +14,6 @@
val name_of_register: Machregs.mreg -> string option
val register_by_name: string -> Machregs.mreg option
+val scratch_register_names: string list
val can_reserve_register: Machregs.mreg -> bool
val mregs_of_clobber: Camlcoq.atom list -> Machregs.mreg list