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authorGravatar xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>2011-08-05 12:04:58 +0000
committerGravatar xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>2011-08-05 12:04:58 +0000
commitab624a0ebf01a4f3e45aecb438e890b4da2f66f0 (patch)
treeffac7325744b54d1973733cfa479e5fa2bc95eac /powerpc
parent40a41ae1131f05269514e21f769d5d8c07c09c4a (diff)
More builtins for ARM and PowerPC
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1697 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'powerpc')
-rw-r--r--powerpc/CBuiltins.ml4
-rw-r--r--powerpc/PrintAsm.ml6
2 files changed, 8 insertions, 2 deletions
diff --git a/powerpc/CBuiltins.ml b/powerpc/CBuiltins.ml
index 4fbe6e4..6b68380 100644
--- a/powerpc/CBuiltins.ml
+++ b/powerpc/CBuiltins.ml
@@ -26,7 +26,9 @@ let builtins = {
(TInt(IInt, []), [TInt(IInt, []); TInt(IInt, [])], false);
"__builtin_mulhwu",
(TInt(IUInt, []), [TInt(IUInt, []); TInt(IUInt, [])], false);
- "__builtin_cntlzw",
+ "__builtin_cntlz",
+ (TInt(IUInt, []), [TInt(IUInt, [])], false);
+ "__builtin_bswap",
(TInt(IUInt, []), [TInt(IUInt, [])], false);
(* Float arithmetic *)
"__builtin_fmadd",
diff --git a/powerpc/PrintAsm.ml b/powerpc/PrintAsm.ml
index 794441c..68e607b 100644
--- a/powerpc/PrintAsm.ml
+++ b/powerpc/PrintAsm.ml
@@ -428,8 +428,12 @@ let print_builtin_inline oc name args res =
fprintf oc " mulhw %a, %a, %a\n" ireg res ireg a1 ireg a2
| "__builtin_mulhwu", [IR a1; IR a2], IR res ->
fprintf oc " mulhwu %a, %a, %a\n" ireg res ireg a1 ireg a2
- | "__builtin_cntlzw", [IR a1], IR res ->
+ | "__builtin_cntlz", [IR a1], IR res ->
fprintf oc " cntlzw %a, %a\n" ireg res ireg a1
+ | "__builtin_bswap", [IR a1], IR res ->
+ fprintf oc " stwu %a, -8(%a)\n" ireg a1 ireg GPR1;
+ fprintf oc " lwbrx %a, %a, %a\n" ireg res ireg_or_zero GPR0 ireg GPR1;
+ fprintf oc " addi %a, %a, 8\n" ireg GPR1 ireg GPR1
(* Float arithmetic *)
| "__builtin_fmadd", [FR a1; FR a2; FR a3], FR res ->
fprintf oc " fmadd %a, %a, %a, %a\n" freg res freg a1 freg a2 freg a3