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| author | Björn Gustavsson <[email protected]> | 2017-08-21 18:03:04 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2017-08-23 12:44:18 +0200 |
| commit | 5bf73db9fd77bce195b7e78a8754730263068fb1 (patch) | |
| tree | 56865b0805a23cf733a3af4130dba180ff720377 /erts/emulator/beam/beam_emu.c | |
| parent | 8fc304e1e0c4a36dcb5abbe7a51de63ddc2cb285 (diff) | |
| download | otp-5bf73db9fd77bce195b7e78a8754730263068fb1.tar.gz otp-5bf73db9fd77bce195b7e78a8754730263068fb1.tar.bz2 otp-5bf73db9fd77bce195b7e78a8754730263068fb1.zip | |
Add the 'S' type for a register source
The type 'd' could be used both for destination registers and
source register.
Restrict the 'd' type to only be used for destinations, and
introduce the new 'S' type to be used when a source must be
a register.
Diffstat (limited to 'erts/emulator/beam/beam_emu.c')
| -rw-r--r-- | erts/emulator/beam/beam_emu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index badfe62aa9..482f99cb78 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -153,7 +153,7 @@ do { \ * Register target (X or Y register). */ -#define REG_TARGET_PTR(Target) (((Target) & 1) ? &yb(Target-1) : &xb(Target)) +#define REG_TARGET_PTR(Target) (((Target) & 1) ? &yb((Target)-1) : &xb(Target)) /* * Special Beam instructions. @@ -242,6 +242,7 @@ void** beam_ops; #define tb(N) (N) #define xb(N) (*(Eterm *) (((unsigned char *)reg) + (N))) #define yb(N) (*(Eterm *) (((unsigned char *)E) + (N))) +#define Sb(N) (*REG_TARGET_PTR(N)) #define lb(N) (*(double *) (((unsigned char *)&(freg[0].fd)) + (N))) #define Qb(N) (N) #define Ib(N) (N) |