From 0ec91ff571518e199aac7a4da961a80c153483b9 Mon Sep 17 00:00:00 2001
From: Anthony Ramine <n.oxyde@gmail.com>
Date: Fri, 9 May 2014 16:00:54 +0200
Subject: Allow 4-ary BIFs

---
 erts/emulator/hipe/hipe_amd64_bifs.m4 | 40 ++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

(limited to 'erts/emulator/hipe/hipe_amd64_bifs.m4')

diff --git a/erts/emulator/hipe/hipe_amd64_bifs.m4 b/erts/emulator/hipe/hipe_amd64_bifs.m4
index 7a4bb30447..7d94aa05b3 100644
--- a/erts/emulator/hipe/hipe_amd64_bifs.m4
+++ b/erts/emulator/hipe/hipe_amd64_bifs.m4
@@ -51,9 +51,10 @@ define(HANDLE_GOT_MBUF,`
  * standard_bif_interface_1(nbif_name, cbif_name)
  * standard_bif_interface_2(nbif_name, cbif_name)
  * standard_bif_interface_3(nbif_name, cbif_name)
+ * standard_bif_interface_4(nbif_name, cbif_name)
  * standard_bif_interface_0(nbif_name, cbif_name)
  *
- * Generate native interface for a BIF with 0-3 parameters and
+ * Generate native interface for a BIF with 0-4 parameters and
  * standard failure mode.
  */
 define(standard_bif_interface_1,
@@ -154,6 +155,43 @@ ASYM($1):
 	TYPE_FUNCTION(ASYM($1))
 #endif')
 
+define(standard_bif_interface_4,
+`
+#ifndef HAVE_$1
+#`define' HAVE_$1
+    TEXT
+    .align  4
+    GLOBAL(ASYM($1))
+ASYM($1):
+    /* set up the parameters */
+    movq    P, %rdi
+    NBIF_ARG(%rsi,4,0)
+    NBIF_ARG(%rdx,4,1)
+    NBIF_ARG(%rcx,4,2)
+    NBIF_ARG(%r8,4,3)
+
+    /* make the call on the C stack */
+    SWITCH_ERLANG_TO_C
+    pushq   %r8
+    pushq   %rcx
+    pushq   %rdx
+    pushq   %rsi
+    movq    %rsp, %rsi  /* Eterm* BIF__ARGS */
+    sub $(8), %rsp  /* stack frame 16-byte alignment */
+    CALL_BIF($2)
+    add $(4*8 + 8), %rsp
+    TEST_GOT_MBUF
+    SWITCH_C_TO_ERLANG
+
+    /* throw exception if failure, otherwise return */
+    TEST_GOT_EXN
+    jz  nbif_4_simple_exception
+    NBIF_RET(4)
+    HANDLE_GOT_MBUF(4)
+    SET_SIZE(ASYM($1))
+    TYPE_FUNCTION(ASYM($1))
+#endif')
+
 define(standard_bif_interface_0,
 `
 #ifndef HAVE_$1
-- 
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