3 Commits

Author	SHA1	Message	Date
Richard Henderson	d3d1c30c63	tcg/i386: Improve TSTNE/TESTEQ vs powers of two ... Use "test x,x" when the bit is one of the 4 sign bits. Use "bt imm,x" otherwise. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>	2024-02-03 23:53:49 +00:00
Richard Henderson	36df88c040	tcg/i386: Drop BYTEH deposits for 64-bit ... It is more useful to allow low-part deposits into all registers than to restrict allocation for high-byte deposits. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>	2023-08-24 11:22:42 -07:00
Richard Henderson	358b492392	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>	2021-02-02 12:12:29 -10:00