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3f057e2400
Create a special subclass for sub, because two backends can support "subtract from immediate". Drop all backend support for an immediate as the second operand, as we transform sub to add during optimize. Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
32 lines
748 B
C
32 lines
748 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Define MIPS target-specific constraint sets.
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* Copyright (c) 2021 Linaro
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*/
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/*
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* C_On_Im(...) defines a constraint set with <n> outputs and <m> inputs.
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* Each operand should be a sequence of constraint letters as defined by
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* tcg-target-con-str.h; the constraint combination is inclusive or.
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*/
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C_O0_I1(r)
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C_O0_I2(rz, r)
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C_O0_I2(rz, rz)
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C_O0_I3(rz, r, r)
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C_O0_I3(rz, rz, r)
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C_O0_I4(rz, rz, rz, rz)
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C_O0_I4(rz, rz, r, r)
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C_O1_I1(r, r)
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C_O1_I2(r, 0, rz)
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C_O1_I2(r, r, r)
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C_O1_I2(r, r, ri)
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C_O1_I2(r, r, rI)
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C_O1_I2(r, r, rIK)
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C_O1_I2(r, r, rJ)
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C_O1_I2(r, r, rzW)
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C_O1_I2(r, rz, rz)
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C_O1_I4(r, rz, rz, rz, 0)
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C_O1_I4(r, rz, rz, rz, rz)
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C_O2_I1(r, r, r)
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C_O2_I2(r, r, r, r)
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C_O2_I4(r, r, rz, rz, rN, rN)
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