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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-12-26 00:17:20 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-01-16 20:57:17 -0800 |
| commit | 841e2c5257102c738e8578eb0ce38d3de830ea4c (patch) | |
| tree | e62cdc6c4a0e75802fdc7726f276e14221959e7b /tcg/riscv/tcg-target-has.h | |
| parent | 94d593941b68828a42df6d7af20fc4bb0e720df5 (diff) | |
| download | focaccia-qemu-841e2c5257102c738e8578eb0ce38d3de830ea4c.tar.gz focaccia-qemu-841e2c5257102c738e8578eb0ce38d3de830ea4c.zip | |
tcg/riscv64: Fold the ext{8,16,32}[us] cases into {s}extract
Accept byte and word extensions with the extract opcodes. This is preparatory to removing the specialized extracts. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/riscv/tcg-target-has.h')
| -rw-r--r-- | tcg/riscv/tcg-target-has.h | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/tcg/riscv/tcg-target-has.h b/tcg/riscv/tcg-target-has.h index ddc759a533..5bf62c7c7f 100644 --- a/tcg/riscv/tcg-target-has.h +++ b/tcg/riscv/tcg-target-has.h @@ -16,8 +16,8 @@ #define TCG_TARGET_HAS_div2_i32 0 #define TCG_TARGET_HAS_rot_i32 (cpuinfo & CPUINFO_ZBB) #define TCG_TARGET_HAS_deposit_i32 0 -#define TCG_TARGET_HAS_extract_i32 0 -#define TCG_TARGET_HAS_sextract_i32 0 +#define TCG_TARGET_HAS_extract_i32 1 +#define TCG_TARGET_HAS_sextract_i32 1 #define TCG_TARGET_HAS_extract2_i32 0 #define TCG_TARGET_HAS_add2_i32 1 #define TCG_TARGET_HAS_sub2_i32 1 @@ -50,8 +50,8 @@ #define TCG_TARGET_HAS_div2_i64 0 #define TCG_TARGET_HAS_rot_i64 (cpuinfo & CPUINFO_ZBB) #define TCG_TARGET_HAS_deposit_i64 0 -#define TCG_TARGET_HAS_extract_i64 0 -#define TCG_TARGET_HAS_sextract_i64 0 +#define TCG_TARGET_HAS_extract_i64 1 +#define TCG_TARGET_HAS_sextract_i64 1 #define TCG_TARGET_HAS_extract2_i64 0 #define TCG_TARGET_HAS_extr_i64_i32 1 #define TCG_TARGET_HAS_ext8s_i64 1 @@ -109,4 +109,35 @@ #define TCG_TARGET_HAS_tst_vec 0 +static inline bool +tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len) +{ + if (ofs == 0) { + switch (len) { + case 16: + return cpuinfo & CPUINFO_ZBB; + case 32: + return (cpuinfo & CPUINFO_ZBA) && type == TCG_TYPE_I64; + } + } + return false; +} +#define TCG_TARGET_extract_valid tcg_target_extract_valid + +static inline bool +tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len) +{ + if (ofs == 0) { + switch (len) { + case 8: + case 16: + return cpuinfo & CPUINFO_ZBB; + case 32: + return type == TCG_TYPE_I64; + } + } + return false; +} +#define TCG_TARGET_sextract_valid tcg_target_sextract_valid + #endif |