qemu-e2k/tcg/ppc/tcg-target-con-str.h
Richard Henderson 282ef7e8ef tcg/ppc: Add TCG_CT_CONST_CMP
Better constraint for tcg_out_cmp, based on the comparison.
We can't yet remove the fallback to load constants into a
scratch because of tcg_out_cmp2, but that path should not
be as frequent.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-02-03 23:53:49 +00:00

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C

/* SPDX-License-Identifier: MIT */
/*
* Define PowerPC target-specific operand constraints.
* Copyright (c) 2021 Linaro
*/
/*
* Define constraint letters for register sets:
* REGS(letter, register_mask)
*/
REGS('r', ALL_GENERAL_REGS)
REGS('o', ALL_GENERAL_REGS & 0xAAAAAAAAu) /* odd registers */
REGS('v', ALL_VECTOR_REGS)
/*
* Define constraint letters for constants:
* CONST(letter, TCG_CT_CONST_* bit set)
*/
CONST('C', TCG_CT_CONST_CMP)
CONST('I', TCG_CT_CONST_S16)
CONST('M', TCG_CT_CONST_MONE)
CONST('T', TCG_CT_CONST_S32)
CONST('U', TCG_CT_CONST_U32)
CONST('W', TCG_CT_CONST_WSZ)
CONST('Z', TCG_CT_CONST_ZERO)