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authorBjörn Gustavsson <[email protected]>2010-12-14 07:23:19 +0100
committerBjörn Gustavsson <[email protected]>2011-01-17 15:23:40 +0100
commit56da36ef79a1c7ffb39836e1838084ed53dda6f0 (patch)
tree33371d2db9f501bc9ce80ba695ac642337646356 /erts/emulator/beam
parent4d6e7ac0aa307271e0b265dd41dea4eb0fc1dee7 (diff)
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Support packing of the 'I' type in a 64-bit emulator
In many (not all) cases, the value for the 'I' type will fit into 32 bits.
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/beam_debug.c6
-rw-r--r--erts/emulator/beam/beam_emu.c1
-rw-r--r--erts/emulator/beam/beam_load.c5
3 files changed, 12 insertions, 0 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 9f8d338fbd..4fa9d60bca 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -378,6 +378,12 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
*ap++ = packed & BEAM_LOOSE_MASK;
packed >>= BEAM_LOOSE_SHIFT;
break;
+#ifdef ARCH_64
+ case 'w': /* Shift 32 steps */
+ *ap++ = packed & BEAM_WIDE_MASK;
+ packed >>= BEAM_WIDE_SHIFT;
+ break;
+#endif
case 'p':
*sp++ = *--ap;
break;
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 266b897672..bce51a001f 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -345,6 +345,7 @@ extern int count_instructions;
#define yb(N) (*(Eterm *) (((unsigned char *)E) + (N)))
#define fb(N) (*(double *) (((unsigned char *)&(freg[0].fd)) + (N)))
#define Qb(N) (N)
+#define Ib(N) (N)
#define x(N) reg[N]
#define y(N) E[N]
#define r(N) x##N
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 65cd6f91bb..8c380536ae 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -2002,6 +2002,11 @@ load_code(LoaderState* stp)
case '6': /* Shift 16 steps */
packed = (packed << BEAM_LOOSE_SHIFT) | code[--ci];
break;
+#ifdef ARCH_64
+ case 'w': /* Shift 32 steps */
+ packed = (packed << BEAM_WIDE_SHIFT) | code[--ci];
+ break;
+#endif
case 'p': /* Put instruction (from stack). */
code[ci++] = *--sp;
break;