Add Intel encodings for trapif.

This is implemented as a macro with a conditional jump over a ud2. This way, we don't have to split up EBBs at every conditional trap.
2018-02-08 15:15:15 -08:00
parent 11c721934c
commit 69f70fc61d
5 changed files with 63 additions and 2 deletions
--- a/lib/cretonne/meta/isa/intel/encodings.py
+++ b/lib/cretonne/meta/isa/intel/encodings.py
@@ -354,6 +354,10 @@ enc_both(base.brnz.b1, r.t8jccd_abcd, 0x85)
 I32.enc(base.trap, *r.trap(0x0f, 0x0b))
 I64.enc(base.trap, *r.trap(0x0f, 0x0b))

+# Using a standard EncRecipe, not the TailRecipe.
+I32.enc(base.trapif, r.trapif, 0)
+I64.enc(base.trapif, r.trapif, 0)
+
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