implement case-on-Word in the byte code generator/interpreter (#2881)

[ghc-hetmet.git] / rts / Interpreter.c

diff --git a/rts/Interpreter.c b/rts/Interpreter.c
index 91e500b..ea2064f 100644 (file)
--- a/rts/Interpreter.c
+++ b/rts/Interpreter.c
@@ -7,21 +7,20 @@
 #include "PosixSource.h"
 #include "Rts.h"
 #include "RtsAPI.h"
+#include "rts/Bytecodes.h"
+
+// internal headers
+#include "sm/Storage.h"
 #include "RtsUtils.h"
-#include "Closures.h"
-#include "TSO.h"
 #include "Schedule.h"
-#include "RtsFlags.h"
-#include "LdvProfile.h"
 #include "Updates.h"
 #include "Sanity.h"
-#include "Liveness.h"
 #include "Prelude.h"
-
-#include "Bytecodes.h"
+#include "Stable.h"
 #include "Printer.h"
 #include "Disassembler.h"
 #include "Interpreter.h"
+#include "ThreadPaused.h"
 
 #include <string.h>     /* for memcpy */
 #ifdef HAVE_ERRNO_H
@@ -81,9 +80,9 @@
 
 
 STATIC_INLINE StgPtr
-allocate_NONUPD (int n_words)
+allocate_NONUPD (Capability *cap, int n_words)
 {
-    return allocate(stg_max(sizeofW(StgHeader)+MIN_PAYLOAD_SIZE, n_words));
+    return allocateLocal(cap, stg_max(sizeofW(StgHeader)+MIN_PAYLOAD_SIZE, n_words));
 }
 
 int rts_stop_next_breakpoint = 0;
@@ -598,7 +597,7 @@ do_apply:
            else /* arity > n */ {
                // build a new PAP and return it.
                StgPAP *new_pap;
-               new_pap = (StgPAP *)allocate(PAP_sizeW(pap->n_args + m));
+               new_pap = (StgPAP *)allocateLocal(cap, PAP_sizeW(pap->n_args + m));
                SET_HDR(new_pap,&stg_PAP_info,CCCS);
                new_pap->arity = pap->arity - n;
                new_pap->n_args = pap->n_args + m;
@@ -643,7 +642,7 @@ do_apply:
                // build a PAP and return it.
                StgPAP *pap;
                nat i;
-               pap = (StgPAP *)allocate(PAP_sizeW(m));
+               pap = (StgPAP *)allocateLocal(cap, PAP_sizeW(m));
                SET_HDR(pap, &stg_PAP_info,CCCS);
                pap->arity = arity - n;
                pap->fun = obj;
@@ -857,7 +856,7 @@ run_BCO:
                   // stg_apply_interp_info pointer and a pointer to
                   // the BCO
                   size_words = BCO_BITMAP_SIZE(obj) + 2;
-                  new_aps = (StgAP_STACK *) allocate (AP_STACK_sizeW(size_words));
+                  new_aps = (StgAP_STACK *) allocateLocal(cap, AP_STACK_sizeW(size_words));
                   SET_HDR(new_aps,&stg_AP_STACK_info,CCS_SYSTEM); 
                   new_aps->size = size_words;
                   new_aps->fun = &stg_dummy_ret_closure; 
@@ -1076,7 +1075,7 @@ run_BCO:
        case bci_ALLOC_AP: {
            StgAP* ap; 
            int n_payload = BCO_NEXT;
-           ap = (StgAP*)allocate(AP_sizeW(n_payload));
+           ap = (StgAP*)allocateLocal(cap, AP_sizeW(n_payload));
            Sp[-1] = (W_)ap;
            ap->n_args = n_payload;
            SET_HDR(ap, &stg_AP_info, CCS_SYSTEM/*ToDo*/)
@@ -1087,7 +1086,7 @@ run_BCO:
        case bci_ALLOC_AP_NOUPD: {
            StgAP* ap; 
            int n_payload = BCO_NEXT;
-           ap = (StgAP*)allocate(AP_sizeW(n_payload));
+           ap = (StgAP*)allocateLocal(cap, AP_sizeW(n_payload));
            Sp[-1] = (W_)ap;
            ap->n_args = n_payload;
            SET_HDR(ap, &stg_AP_NOUPD_info, CCS_SYSTEM/*ToDo*/)
@@ -1099,7 +1098,7 @@ run_BCO:
            StgPAP* pap; 
            int arity = BCO_NEXT;
            int n_payload = BCO_NEXT;
-           pap = (StgPAP*)allocate(PAP_sizeW(n_payload));
+           pap = (StgPAP*)allocateLocal(cap, PAP_sizeW(n_payload));
            Sp[-1] = (W_)pap;
            pap->n_args = n_payload;
            pap->arity = arity;
@@ -1171,7 +1170,7 @@ run_BCO:
            StgInfoTable* itbl = INFO_PTR_TO_STRUCT(BCO_LIT(o_itbl));
            int request        = CONSTR_sizeW( itbl->layout.payload.ptrs, 
                                               itbl->layout.payload.nptrs );
-           StgClosure* con = (StgClosure*)allocate_NONUPD(request);
+           StgClosure* con = (StgClosure*)allocate_NONUPD(cap,request);
            ASSERT( itbl->layout.payload.ptrs + itbl->layout.payload.nptrs > 0);
            SET_HDR(con, (StgInfoTable*)BCO_LIT(o_itbl), CCS_SYSTEM/*ToDo*/);
            for (i = 0; i < n_words; i++) {
@@ -1228,6 +1227,27 @@ run_BCO:
            goto nextInsn;
        }
 
+       case bci_TESTLT_W: {
+           // There should be an Int at Sp[1], and an info table at Sp[0].
+           int discr   = BCO_NEXT;
+           int failto  = BCO_GET_LARGE_ARG;
+           W_ stackWord = (W_)Sp[1];
+           if (stackWord >= (W_)BCO_LIT(discr))
+               bciPtr = failto;
+           goto nextInsn;
+       }
+
+       case bci_TESTEQ_W: {
+           // There should be an Int at Sp[1], and an info table at Sp[0].
+           int discr   = BCO_NEXT;
+           int failto  = BCO_GET_LARGE_ARG;
+           W_ stackWord = (W_)Sp[1];
+           if (stackWord != (W_)BCO_LIT(discr)) {
+               bciPtr = failto;
+           }
+           goto nextInsn;
+       }
+
        case bci_TESTLT_D: {
            // There should be a Double at Sp[1], and an info table at Sp[0].
            int discr   = BCO_NEXT;