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| author | Richard Henderson | 2021-01-29 22:21:08 +0100 |
|---|---|---|
| committer | Richard Henderson | 2021-03-06 20:45:21 +0100 |
| commit | a7391bc0157bf20f41ff14dbf2ec66ec60cb633c (patch) | |
| tree | 7b88a037c483b6f59450b77d556ed6dcebb31e71 /tcg | |
| parent | tcg/tci: Merge identical cases in generation (load/store opcodes) (diff) | |
| download | qemu-a7391bc0157bf20f41ff14dbf2ec66ec60cb633c.tar.gz qemu-a7391bc0157bf20f41ff14dbf2ec66ec60cb633c.tar.xz qemu-a7391bc0157bf20f41ff14dbf2ec66ec60cb633c.zip | |
tcg/tci: Remove tci_read_r8
Use explicit casts for ext8u opcodes, and allow truncation
to happen with the store for st8 opcodes.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/tci.c | 23 |
1 files changed, 5 insertions, 18 deletions
@@ -78,11 +78,6 @@ static int32_t tci_read_reg32s(const tcg_target_ulong *regs, TCGReg index) } #endif -static uint8_t tci_read_reg8(const tcg_target_ulong *regs, TCGReg index) -{ - return (uint8_t)tci_read_reg(regs, index); -} - static uint16_t tci_read_reg16(const tcg_target_ulong *regs, TCGReg index) { return (uint16_t)tci_read_reg(regs, index); @@ -169,14 +164,6 @@ tci_read_r(const tcg_target_ulong *regs, const uint8_t **tb_ptr) return value; } -/* Read indexed register (8 bit) from bytecode. */ -static uint8_t tci_read_r8(const tcg_target_ulong *regs, const uint8_t **tb_ptr) -{ - uint8_t value = tci_read_reg8(regs, **tb_ptr); - *tb_ptr += 1; - return value; -} - #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 /* Read indexed register (8 bit signed) from bytecode. */ static int8_t tci_read_r8s(const tcg_target_ulong *regs, const uint8_t **tb_ptr) @@ -533,7 +520,7 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, tci_write_reg(regs, t0, *(uint32_t *)(t1 + t2)); break; CASE_32_64(st8) - t0 = tci_read_r8(regs, &tb_ptr); + t0 = tci_read_r(regs, &tb_ptr); t1 = tci_read_r(regs, &tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint8_t *)(t1 + t2) = t0; @@ -722,8 +709,8 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, #if TCG_TARGET_HAS_ext8u_i32 case INDEX_op_ext8u_i32: t0 = *tb_ptr++; - t1 = tci_read_r8(regs, &tb_ptr); - tci_write_reg(regs, t0, t1); + t1 = tci_read_r(regs, &tb_ptr); + tci_write_reg(regs, t0, (uint8_t)t1); break; #endif #if TCG_TARGET_HAS_ext16u_i32 @@ -916,8 +903,8 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, #if TCG_TARGET_HAS_ext8u_i64 case INDEX_op_ext8u_i64: t0 = *tb_ptr++; - t1 = tci_read_r8(regs, &tb_ptr); - tci_write_reg(regs, t0, t1); + t1 = tci_read_r(regs, &tb_ptr); + tci_write_reg(regs, t0, (uint8_t)t1); break; #endif #if TCG_TARGET_HAS_ext8s_i64 |