i965: Only consider fixed_hw_reg in equals() if file is HW_REG/IMM.
Noticed when debugging things that lead to the next patch. On G45 (and presumably ILK) this helps register coalescing: total instructions in shared programs: 4077373 -> 4077340 (-0.00%) instructions in affected programs: 43751 -> 43718 (-0.08%) helped: 52 HURT: 2 Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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@ -427,7 +427,9 @@ fs_reg::equals(const fs_reg &r) const
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negate == r.negate &&
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abs == r.abs &&
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!reladdr && !r.reladdr &&
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memcmp(&fixed_hw_reg, &r.fixed_hw_reg, sizeof(fixed_hw_reg)) == 0 &&
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((file != HW_REG && file != IMM) ||
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memcmp(&fixed_hw_reg, &r.fixed_hw_reg,
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sizeof(fixed_hw_reg)) == 0) &&
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stride == r.stride);
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}
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@ -216,8 +216,9 @@ dst_reg::equals(const dst_reg &r) const
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writemask == r.writemask &&
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(reladdr == r.reladdr ||
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(reladdr && r.reladdr && reladdr->equals(*r.reladdr))) &&
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memcmp(&fixed_hw_reg, &r.fixed_hw_reg,
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sizeof(fixed_hw_reg)) == 0);
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((file != HW_REG && file != IMM) ||
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memcmp(&fixed_hw_reg, &r.fixed_hw_reg,
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sizeof(fixed_hw_reg)) == 0));
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}
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bool
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