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| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-11-28 09:51:24 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-11-28 09:51:24 +0000 |
| commit | 4b23f9300df9e2f532745f2810aaa1e0d61f08d8 (patch) | |
| tree | 916860548615551ff6cb38e1338baae0d7f4a351 | |
| parent | ec604c3c577443a3bbc436d0cbcc06b6b67f3851 (diff) | |
Use movapd instead of movsd for xmm reg-reg move: it avoids partial register stalls, resulting in tiny speedups.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1556 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
| -rw-r--r-- | ia32/PrintAsm.ml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ia32/PrintAsm.ml b/ia32/PrintAsm.ml index 7d75048..e4c2ea1 100644 --- a/ia32/PrintAsm.ml +++ b/ia32/PrintAsm.ml @@ -360,7 +360,7 @@ let print_instruction oc labels = function | Pmovd_rf(rd, r1) -> fprintf oc " movd %a, %a\n" freg r1 ireg rd | Pmovsd_ff(rd, r1) -> - fprintf oc " movsd %a, %a\n" freg r1 freg rd + fprintf oc " movapd %a, %a\n" freg r1 freg rd | Pmovsd_fi(rd, n) -> let b = Int64.bits_of_float n in if b = 0L then (* +0.0 *) |