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| author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2010-08-03 20:48:02 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2010-08-03 20:48:02 -0700 |
| commit | 5ff63bcd7935cad840fd25844dfb590010bd2e12 (patch) | |
| tree | 4efe8f8953dd229f1e3342e59108888296c99c46 /riscv/insns/mulh.h | |
| parent | 864c3ef8ac39c27dec64adae6a1611755dfbada7 (diff) | |
| download | spike-5ff63bcd7935cad840fd25844dfb590010bd2e12.zip spike-5ff63bcd7935cad840fd25844dfb590010bd2e12.tar.gz spike-5ff63bcd7935cad840fd25844dfb590010bd2e12.tar.bz2 | |
[pk,sim,xcc] Renamed instructions to RISC-V spec
All word-sized arithmetic operations are now postfixed with 'w',
and all double-word-sized arithmetic operations are no longer
prefixed with 'd'. mtc0/mfc0 are removed and replaced with
mfpcr/mtpcr/mwfpcr/mwtpcr.
Diffstat (limited to 'riscv/insns/mulh.h')
| -rw-r--r-- | riscv/insns/mulh.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/riscv/insns/mulh.h b/riscv/insns/mulh.h index 90a17be..2d7ca4c 100644 --- a/riscv/insns/mulh.h +++ b/riscv/insns/mulh.h @@ -1,2 +1,4 @@ -RC = sext32((sreg_t(RA) * sreg_t(RB)) >> 32); - +require64; +int64_t rb = RA; +int64_t ra = RB; +RC = (int128_t(rb) * int128_t(ra)) >> 64; |