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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-09-27 11:01:22 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-09-27 11:10:49 -0700 |
| commit | baa8d8be1f1a3d83caf248533fda9abaa3b0ee70 (patch) | |
| tree | 6fb99977824fefff067f34d7915fcefbc72e6043 /riscv/insns/mulhu.h | |
| parent | eb27fce99c6f711a890c8647edaf077ec8d137d3 (diff) | |
| download | spike-baa8d8be1f1a3d83caf248533fda9abaa3b0ee70.zip spike-baa8d8be1f1a3d83caf248533fda9abaa3b0ee70.tar.gz spike-baa8d8be1f1a3d83caf248533fda9abaa3b0ee70.tar.bz2 | |
Avoid use of __int128_t
It is nonstandard, and GCC doesn't support it on 32-bit platforms. The
resulting code for MULH[[S]U] is crappier, but that doesn't really matter,
as these instructions are dynamically infrequent.
Diffstat (limited to 'riscv/insns/mulhu.h')
| -rw-r--r-- | riscv/insns/mulhu.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/riscv/insns/mulhu.h b/riscv/insns/mulhu.h index 2d6f48c..b03b870 100644 --- a/riscv/insns/mulhu.h +++ b/riscv/insns/mulhu.h @@ -1,4 +1,4 @@ -if(xpr64) - WRITE_RD((uint128_t(RS1) * uint128_t(RS2)) >> 64); +if (xpr64) + WRITE_RD(mulhu(RS1, RS2)); else WRITE_RD(sext32(((uint64_t)(uint32_t)RS1 * (uint64_t)(uint32_t)RS2) >> 32)); |