derek.holloway
7502bf64a4
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151 lines
5.4 KiB
ArmAsm
151 lines
5.4 KiB
ArmAsm
# RUN: llvm-mc %s -triple=mips64el-unknown-linux -mcpu=r5900 -show-encoding \
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# RUN: | FileCheck %s
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# Test R5900 FPU instructions (single-precision only, no double-precision support)
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# The R5900 has 32x32-bit FPU registers and a 32-bit accumulator (ACC)
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#------------------------------------------------------------------------------
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# FP Arithmetic Instructions
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#------------------------------------------------------------------------------
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# CHECK: abs.s $f6, $f7 # encoding: [0x85,0x39,0x00,0x46]
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abs.s $f6, $f7
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# CHECK: add.s $f9, $f6, $f7 # encoding: [0x40,0x32,0x07,0x46]
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add.s $f9, $f6, $f7
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# CHECK: sub.s $f9, $f6, $f7 # encoding: [0x41,0x32,0x07,0x46]
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sub.s $f9, $f6, $f7
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# CHECK: mul.s $f9, $f6, $f7 # encoding: [0x42,0x32,0x07,0x46]
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mul.s $f9, $f6, $f7
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# CHECK: div.s $f9, $f6, $f7 # encoding: [0x43,0x32,0x07,0x46]
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div.s $f9, $f6, $f7
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# CHECK: sqrt.s $f6, $f7 # encoding: [0x84,0x39,0x00,0x46]
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sqrt.s $f6, $f7
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# CHECK: neg.s $f6, $f7 # encoding: [0x87,0x39,0x00,0x46]
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neg.s $f6, $f7
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# CHECK: mov.s $f6, $f7 # encoding: [0x86,0x39,0x00,0x46]
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mov.s $f6, $f7
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#------------------------------------------------------------------------------
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# FP Conversion Instructions
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#------------------------------------------------------------------------------
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# CHECK: cvt.s.w $f6, $f7 # encoding: [0xa0,0x39,0x80,0x46]
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cvt.s.w $f6, $f7
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# CHECK: cvt.w.s $f6, $f7 # encoding: [0xa4,0x39,0x00,0x46]
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cvt.w.s $f6, $f7
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#------------------------------------------------------------------------------
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# FP Compare Instructions (R5900 supports only 4 comparisons: F, EQ, OLT, OLE)
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#------------------------------------------------------------------------------
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# CHECK: c.f.s $f6, $f7 # encoding: [0x30,0x30,0x07,0x46]
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c.f.s $f6, $f7
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# CHECK: c.eq.s $f6, $f7 # encoding: [0x32,0x30,0x07,0x46]
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c.eq.s $f6, $f7
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# CHECK: c.olt.s $f6, $f7 # encoding: [0x34,0x30,0x07,0x46]
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c.olt.s $f6, $f7
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# CHECK: c.ole.s $f6, $f7 # encoding: [0x36,0x30,0x07,0x46]
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c.ole.s $f6, $f7
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#------------------------------------------------------------------------------
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# FP Branch Instructions
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#------------------------------------------------------------------------------
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# CHECK: bc1f 8 # encoding: [0x02,0x00,0x00,0x45]
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bc1f 8
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# CHECK: bc1fl 8 # encoding: [0x02,0x00,0x02,0x45]
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bc1fl 8
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# CHECK: bc1t 8 # encoding: [0x02,0x00,0x01,0x45]
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bc1t 8
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# CHECK: bc1tl 8 # encoding: [0x02,0x00,0x03,0x45]
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bc1tl 8
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#------------------------------------------------------------------------------
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# FP Load/Store Instructions
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#------------------------------------------------------------------------------
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# CHECK: lwc1 $f6, 4($5) # encoding: [0x04,0x00,0xa6,0xc4]
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lwc1 $f6, 4($5)
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# CHECK: swc1 $f6, 4($5) # encoding: [0x04,0x00,0xa6,0xe4]
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swc1 $f6, 4($5)
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#------------------------------------------------------------------------------
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# FP Move Instructions (between GPR and FPR)
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#------------------------------------------------------------------------------
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# CHECK: mfc1 $6, $f7 # encoding: [0x00,0x38,0x06,0x44]
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mfc1 $6, $f7
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# CHECK: mtc1 $6, $f7 # encoding: [0x00,0x38,0x86,0x44]
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mtc1 $6, $f7
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#------------------------------------------------------------------------------
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# FP Control Register Move Instructions
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#------------------------------------------------------------------------------
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# CHECK: cfc1 $6, $0 # encoding: [0x00,0x00,0x46,0x44]
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cfc1 $6, $0
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# CHECK: ctc1 $6, $31 # encoding: [0x00,0xf8,0xc6,0x44]
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ctc1 $6, $31
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# TODO: R5900 FP Accumulator Instructions
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# #------------------------------------------------------------------------------
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# # R5900-Specific: FP Accumulator Instructions
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# #------------------------------------------------------------------------------
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#
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# # DISABLED: adda.s $f1, $f2 # encoding: [0x18,0x08,0x02,0x46]
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# adda.s $f1, $f2
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#
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# # DISABLED: suba.s $f3, $f4 # encoding: [0x19,0x18,0x04,0x46]
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# suba.s $f3, $f4
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#
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# # DISABLED: mula.s $f5, $f6 # encoding: [0x1a,0x28,0x06,0x46]
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# mula.s $f5, $f6
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#
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# # DISABLED: madda.s $f7, $f8 # encoding: [0x1e,0x38,0x08,0x46]
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# madda.s $f7, $f8
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#
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# # DISABLED: msuba.s $f9, $f10 # encoding: [0x1f,0x48,0x0a,0x46]
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# msuba.s $f9, $f10
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#
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# # DISABLED: madd.s $f0, $f1, $f2 # encoding: [0x1c,0x08,0x02,0x46]
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# madd.s $f0, $f1, $f2
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#
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# # DISABLED: msub.s $f3, $f4, $f5 # encoding: [0xdd,0x20,0x05,0x46]
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# msub.s $f3, $f4, $f5
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# TODO: R5900-Specific FPU Instructions (max.s, min.s, rsqrt.s)
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# #------------------------------------------------------------------------------
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# # R5900-Specific: FP Min/Max Instructions
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# #------------------------------------------------------------------------------
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#
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# # DISABLED: max.s $f0, $f1, $f2 # encoding: [0x28,0x08,0x02,0x46]
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# max.s $f0, $f1, $f2
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#
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# # DISABLED: min.s $f3, $f4, $f5 # encoding: [0xe9,0x20,0x05,0x46]
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# min.s $f3, $f4, $f5
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#
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# #------------------------------------------------------------------------------
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# # R5900-Specific: RSQRT.S (3-operand: fd = fs / sqrt(ft))
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# # Note: differs from MIPS IV 2-operand rsqrt.s
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# #------------------------------------------------------------------------------
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#
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# # DISABLED: rsqrt.s $f6, $f7, $f8 # encoding: [0x96,0x39,0x08,0x46]
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# rsqrt.s $f6, $f7, $f8
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