diff options
| author | Andrew Cagney <cagney@redhat.com> | 1997-09-05 00:30:38 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-09-05 00:30:38 +0000 |
| commit | 30efae3acdacbd3239bd7385a5b535abf5ed23e9 (patch) | |
| tree | 4e7757304f2588b575f205ab3600c3fd05307af2 /sim/common/sim-n-bits.h | |
| parent | c142a1f507edd58eaa3aa708baaf7ca49a5cf031 (diff) | |
| download | fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.zip fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.tar.gz fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.tar.bz2 | |
Define SIGNED64 and UNSIGNED64 macros - handle MSC/GCC LL issue.
Diffstat (limited to 'sim/common/sim-n-bits.h')
| -rw-r--r-- | sim/common/sim-n-bits.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/sim/common/sim-n-bits.h b/sim/common/sim-n-bits.h index 0843af3..5c0aa55 100644 --- a/sim/common/sim-n-bits.h +++ b/sim/common/sim-n-bits.h @@ -42,7 +42,8 @@ #define LSMASKn XCONCAT2(LSMASK,N) #define MSMASKEDn XCONCAT2(MSMASKED,N) #define MSMASKn XCONCAT2(MSMASK,N) -#define EXTRACTEDn XCONCAT2(EXTRACTED,N) +#define LSEXTRACTEDn XCONCAT2(LSEXTRACTED,N) +#define MSEXTRACTEDn XCONCAT2(MSEXTRACTED,N) #define INSERTEDn XCONCAT2(INSERTED,N) #define ROTn XCONCAT2(ROT,N) #define ROTLn XCONCAT2(ROTL,N) @@ -80,16 +81,29 @@ MSMASKEDn (unsignedN word, return (word & MSMASKn (nr_bits)); } -/* TAGS: EXTRACTED16 EXTRACTED32 EXTRACTED64 */ +/* TAGS: LSEXTRACTED16 LSEXTRACTED32 LSEXTRACTED64 */ INLINE_SIM_BITS\ (unsignedN) -EXTRACTEDn (unsignedN val, - unsigned start, - unsigned stop) +LSEXTRACTEDn (unsignedN val, + unsigned start, + unsigned stop) { - val <<= _MSB_SHIFT (N, start); - val >>= (_MSB_SHIFT (N, start) + _LSB_SHIFT (N, stop)); + val <<= (N - 1 - start); /* drop high bits */ + val >>= (N - 1 - start) + (stop); /* drop low bits */ + return val; +} + +/* TAGS: MSEXTRACTED16 MSEXTRACTED32 MSEXTRACTED64 */ + +INLINE_SIM_BITS\ +(unsignedN) +MSEXTRACTEDn (unsignedN val, + unsigned start, + unsigned stop) +{ + val <<= (start); /* drop high bits */ + val >>= (start) + (N - 1 - stop); /* drop low bits */ return val; } @@ -169,7 +183,8 @@ SEXTn (signedN val, #undef ROTRn #undef ROTn #undef INSERTEDn -#undef EXTRACTEDn +#undef LSEXTRACTEDn +#undef MSEXTRACTEDn #undef LSMASKEDn #undef LSMASKn #undef MSMASKEDn |