fadd.s
Floating-Point Add Single-Precision
This instruction is defined by:
Synopsis
The fadd.s instruction performs single-precision floating-point addition of xs1 and xs2
and writes the final result to fd.
Decode Variables
Bits<5> fs2 = $encoding[24:20];
Bits<5> fs1 = $encoding[19:15];
Bits<3> rm = $encoding[14:12];
Bits<5> fd = $encoding[11:7];Execution
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Pruned, XLEN == 64
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Original
check_f_ok($encoding);
RoundingMode mode = rm_to_mode(rm, $encoding);
f[fd] = f32_add(f[fs1], f[fs2], mode);check_f_ok($encoding);
RoundingMode mode = rm_to_mode(rm, $encoding);
f[fd] = f32_add(f[fs1], f[fs2], mode);