5.70 · exercise

Fill in the Blank: Floating Point Instructions

Fill in the missing directive, mnemonics, and gdb command used to declare floating-point values in memory, convert an integer to single precision, and compare and negate in the FP registers.

0 of 5 correct

Fill in the Blank

Reserve and initialize four bytes in the .data section holding the single-precision value 5.0.

a_m: . 0r5.0

Fill in the Blank

In gdb, examine the double stored at b_m and print it in floating-point form.

&b_m

Fill in the Blank

Convert the signed 32-bit integer in w19 to single precision, leaving the result in s0.

s0, w19

Fill in the Blank

Set the condition flags by comparing the single-precision values in s0 and s1.

s0, s1

Fill in the Blank

The product of s1 and s2 is already in s0. Negate it in place so s0 holds -(s1 * s2).

s0, s0