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| author | Richard Henderson | 2020-10-17 00:27:46 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-02-02 23:12:29 +0100 |
| commit | 358b492392ad91d45a9714f7cd28fc1d83ffd8be (patch) | |
| tree | d0ce2fcf2b5fef28011b0788913f5065e7ec2d04 /tcg/i386/tcg-target-con-str.h | |
| parent | tcg/i386: Tidy register constraint definitions (diff) | |
| download | qemu-358b492392ad91d45a9714f7cd28fc1d83ffd8be.tar.gz qemu-358b492392ad91d45a9714f7cd28fc1d83ffd8be.tar.xz qemu-358b492392ad91d45a9714f7cd28fc1d83ffd8be.zip | |
tcg/i386: Split out target constraints to tcg-target-con-str.h
This eliminates the target-specific function target_parse_constraint
and folds it into the single caller, process_op_defs. Since this is
done directly into the switch statement, duplicates are compilation
errors rather than silently ignored at runtime.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/i386/tcg-target-con-str.h')
| -rw-r--r-- | tcg/i386/tcg-target-con-str.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tcg/i386/tcg-target-con-str.h b/tcg/i386/tcg-target-con-str.h new file mode 100644 index 0000000000..24e6bcb80d --- /dev/null +++ b/tcg/i386/tcg-target-con-str.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Define i386 target-specific operand constraints. + * Copyright (c) 2021 Linaro + * + */ + +/* + * Define constraint letters for register sets: + * REGS(letter, register_mask) + */ +REGS('a', 1u << TCG_REG_EAX) +REGS('b', 1u << TCG_REG_EBX) +REGS('c', 1u << TCG_REG_ECX) +REGS('d', 1u << TCG_REG_EDX) +REGS('S', 1u << TCG_REG_ESI) +REGS('D', 1u << TCG_REG_EDI) + +REGS('r', ALL_GENERAL_REGS) +REGS('x', ALL_VECTOR_REGS) +REGS('q', ALL_BYTEL_REGS) /* regs that can be used as a byte operand */ +REGS('Q', ALL_BYTEH_REGS) /* regs with a second byte (e.g. %ah) */ +REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) /* qemu_ld/st */ +REGS('s', ALL_BYTEL_REGS & ~SOFTMMU_RESERVE_REGS) /* qemu_st8_i32 data */ + +/* + * Define constraint letters for constants: + * CONST(letter, TCG_CT_CONST_* bit set) + */ +CONST('e', TCG_CT_CONST_S32) +CONST('I', TCG_CT_CONST_I32) +CONST('W', TCG_CT_CONST_WSZ) +CONST('Z', TCG_CT_CONST_U32) |