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https://github.com/c64scene-ar/llvm-6502.git
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b96fc4a5ea
Adds the instructions ext/ext32/cins/cins32. It also changes pop/dpop to accept the two operand version and adds a simple pattern to generate baddu. Tests for the two operand versions (including baddu/dmul/dpop/pop) and the code generation pattern for baddu are included. Reviewed by: Daniel.Sanders@imgtec.com git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205449 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
656 B
LLVM
30 lines
656 B
LLVM
; RUN: llc -O1 < %s -march=mips64 -mcpu=octeon | FileCheck %s -check-prefix=OCTEON
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; RUN: llc -O1 < %s -march=mips64 -mcpu=mips64 | FileCheck %s -check-prefix=MIPS64
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define i64 @addi64(i64 %a, i64 %b) nounwind {
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entry:
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; OCTEON-LABEL: addi64:
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; OCTEON: jr $ra
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; OCTEON: baddu $2, $4, $5
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; MIPS64-LABEL: addi64:
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; MIPS64: daddu
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; MIPS64: jr
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; MIPS64: andi
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%add = add i64 %a, %b
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%and = and i64 %add, 255
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ret i64 %and
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}
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define i64 @mul(i64 %a, i64 %b) nounwind {
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entry:
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; OCTEON-LABEL: mul:
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; OCTEON: jr $ra
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; OCTEON: dmul $2, $4, $5
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; MIPS64-LABEL: mul:
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; MIPS64: dmult
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; MIPS64: jr
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; MIPS64: mflo
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%res = mul i64 %a, %b
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ret i64 %res
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}
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