2020-12-20 10:32:11 +00:00
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==SRA Shift right arithmetic ==
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2020-12-18 23:15:04 +00:00
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2020-12-20 10:32:11 +00:00
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sra -3 // Will it be able to handle shifts greater than the highest 1 value
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2020-12-18 23:15:04 +00:00
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2020-12-20 10:32:11 +00:00
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ori $4,$0,16
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sra $2,$4, 6
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2020-12-18 23:15:04 +00:00
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jr $0
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ref = 0
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2020-12-20 10:32:11 +00:00
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34040010
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2020-12-18 23:15:04 +00:00
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00000008
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2020-12-20 10:32:11 +00:00
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00041183
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2020-12-18 23:15:04 +00:00
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2020-12-20 10:32:11 +00:00
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sra- 4 // negative number - does it sign extened (negative)
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2020-12-18 23:15:04 +00:00
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lui $4, 0xFFFF
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ori $4, $4, 0x00FF
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2020-12-20 10:32:11 +00:00
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sra $2, $4, 4
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2020-12-18 23:15:04 +00:00
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jr $0
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ref = FFFFF00F (4294963215 / -4081)
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3c04ffff
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348400ff
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00000008
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2020-12-20 10:32:11 +00:00
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00041103
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2020-12-18 23:15:04 +00:00
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2020-12-20 10:32:11 +00:00
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sra - 5 // Does it sign extend 0s
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2020-12-18 23:15:04 +00:00
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lui $4, 0x0FFF
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ori $4, $4, 0x00FF
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2020-12-20 10:32:11 +00:00
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sra $2, $4, 4
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2020-12-18 23:15:04 +00:00
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jr $0
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ref = 00FFF00F (16773135)
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3c040fff
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348400ff
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00000008
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2020-12-20 10:32:11 +00:00
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00041103
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