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| author | Dmitry Selyutin <ghostmansd@gmail.com> | 2022-07-25 16:10:15 +0300 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2022-08-11 18:38:29 +0930 |
| commit | 59f08271dda07502f53575538efcd19d247c70e1 (patch) | |
| tree | 08d89f7eeff1e07cf6b7563acad373b90c5b2f49 /include | |
| parent | 33ae8a3ae31d8ea787d79d2a677d960721ffe682 (diff) | |
| download | gdb-59f08271dda07502f53575538efcd19d247c70e1.zip gdb-59f08271dda07502f53575538efcd19d247c70e1.tar.gz gdb-59f08271dda07502f53575538efcd19d247c70e1.tar.bz2 | |
ppc/svp64: introduce non-zero operand flag
svstep and svshape instructions subtract 1 before encoding some of the
operands. Obviously zero is not supported for these operands. Whilst
PPC_OPERAND_PLUS1 fits perfectly to mark that maximal value should be
incremented, there is no flag which marks the fact that zero values are
not allowed. This patch adds a new flag, PPC_OPERAND_NONZERO, for this
purpose.
Diffstat (limited to 'include')
| -rw-r--r-- | include/opcode/ppc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/opcode/ppc.h b/include/opcode/ppc.h index cf72db6..3578f0d 100644 --- a/include/opcode/ppc.h +++ b/include/opcode/ppc.h @@ -463,6 +463,11 @@ extern const unsigned int num_powerpc_operands; #define PPC_OPERAND_FCR (0x1000000) #define PPC_OPERAND_UDI (0x2000000) +/* Valid range of operand is 1..n rather than 0..n-1. + Before encoding, the operand value is decremented. + After decoding, the operand value is incremented. */ +#define PPC_OPERAND_NONZERO (0x4000000) + extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *); static inline int64_t |