Change register allocation order to Dale's suggestion.
llvm-svn: 35021
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@ -99,30 +99,34 @@ def GPR : RegisterClass<"ARM", [i32], 32, [R0, R1, R2, R3, R4, R5, R6,
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// generate large stack offset. Make it available once we have register
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// scavenging. Similarly r3 is reserved in Thumb mode for now.
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let MethodBodies = [{
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// FP is R11, R9 is available, R12 is available.
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// FP is R11, R9 is available.
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static const unsigned ARM_GPR_AO_1[] = {
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ARM::R3, ARM::R2, ARM::R1, ARM::R0,
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ARM::R12,ARM::LR,
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ARM::R4, ARM::R5, ARM::R6, ARM::R7,
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ARM::R8, ARM::R9, ARM::R10,ARM::R12,
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ARM::LR, ARM::R11 };
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// FP is R11, R9 is not available, R12 is available.
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ARM::R8, ARM::R9, ARM::R10,
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ARM::R11 };
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// FP is R11, R9 is not available.
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static const unsigned ARM_GPR_AO_2[] = {
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ARM::R3, ARM::R2, ARM::R1, ARM::R0,
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ARM::R12,ARM::LR,
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ARM::R4, ARM::R5, ARM::R6, ARM::R7,
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ARM::R8, ARM::R10,ARM::R12,
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ARM::LR, ARM::R11 };
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// FP is R7, R9 is available, R12 is available.
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ARM::R8, ARM::R10,
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ARM::R11 };
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// FP is R7, R9 is available.
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static const unsigned ARM_GPR_AO_3[] = {
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ARM::R3, ARM::R2, ARM::R1, ARM::R0,
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ARM::R4, ARM::R5, ARM::R6, ARM::R8,
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ARM::R9, ARM::R10,ARM::R11,ARM::R12,
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ARM::LR, ARM::R7 };
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// FP is R7, R9 is not available, R12 is available.
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ARM::R12,ARM::LR,
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ARM::R4, ARM::R5, ARM::R6,
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ARM::R8, ARM::R9, ARM::R10,ARM::R11,
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ARM::R7 };
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// FP is R7, R9 is not available.
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static const unsigned ARM_GPR_AO_4[] = {
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ARM::R3, ARM::R2, ARM::R1, ARM::R0,
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ARM::R4, ARM::R5, ARM::R6, ARM::R8,
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ARM::R10,ARM::R11,ARM::R12,
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ARM::LR, ARM::R7 };
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ARM::R12,ARM::LR,
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ARM::R4, ARM::R5, ARM::R6,
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ARM::R8, ARM::R10,ARM::R11,
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ARM::R7 };
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// FP is R7, only low registers available.
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static const unsigned THUMB_GPR_AO[] = {
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