mirrors
/
qemu
mirror of https://gitlab.com/qemu-project/qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

tcg/tci: Add special tci_movi_{i32,i64} opcodes 

The normal movi opcodes are going away.  We need something
for TCI to use internally.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-04-17 13:19:47 -07:00
parent 88d4005b09
commit 1bd1af98d7
3 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/tcg/tcg-opc.h
View File

@ -278,6 +278,14 @@ DEF(last_generic, 0, 0, 0, TCG_OPF_NOT_PRESENT)
#include "tcg-target.opc.h"
#endif
#ifdef TCG_TARGET_INTERPRETER
/* These opcodes are only for use between the tci generator and interpreter. */
DEF(tci_movi_i32, 1, 0, 1, TCG_OPF_NOT_PRESENT)
#if TCG_TARGET_REG_BITS == 64
DEF(tci_movi_i64, 1, 0, 1, TCG_OPF_64BIT | TCG_OPF_NOT_PRESENT)
#endif
#endif
#undef TLADDR_ARGS
#undef DATA64_ARGS
#undef IMPL

4
tcg/tci.c
View File

@ -593,7 +593,7 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
t1 = tci_read_r32(regs, &tb_ptr);
tci_write_reg32(regs, t0, t1);
break;
case INDEX_op_movi_i32:
case INDEX_op_tci_movi_i32:
t0 = *tb_ptr++;
t1 = tci_read_i32(&tb_ptr);
tci_write_reg32(regs, t0, t1);
@ -864,7 +864,7 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
t1 = tci_read_r64(regs, &tb_ptr);
tci_write_reg64(regs, t0, t1);
break;
case INDEX_op_movi_i64:
case INDEX_op_tci_movi_i64:
t0 = *tb_ptr++;
t1 = tci_read_i64(&tb_ptr);
tci_write_reg64(regs, t0, t1);

4
tcg/tci/tcg-target.c.inc
View File

@ -529,13 +529,13 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
uint8_t *old_code_ptr = s->code_ptr;
uint32_t arg32 = arg;
if (type == TCG_TYPE_I32 || arg == arg32) {
tcg_out_op_t(s, INDEX_op_movi_i32);
tcg_out_op_t(s, INDEX_op_tci_movi_i32);
tcg_out_r(s, t0);
tcg_out32(s, arg32);
} else {
tcg_debug_assert(type == TCG_TYPE_I64);
#if TCG_TARGET_REG_BITS == 64
tcg_out_op_t(s, INDEX_op_movi_i64);
tcg_out_op_t(s, INDEX_op_tci_movi_i64);
tcg_out_r(s, t0);
tcg_out64(s, arg);
#else