diff --git a/qemu/tcg/i386/tcg-target.h b/qemu/tcg/i386/tcg-target.h index a433d9c1..9c668dd4 100644 --- a/qemu/tcg/i386/tcg-target.h +++ b/qemu/tcg/i386/tcg-target.h @@ -189,5 +189,6 @@ static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, #ifdef CONFIG_SOFTMMU #define TCG_TARGET_NEED_LDST_LABELS #endif +#define TCG_TARGET_NEED_POOL_LABELS #endif diff --git a/qemu/tcg/i386/tcg-target.inc.c b/qemu/tcg/i386/tcg-target.inc.c index 47dde612..3da28864 100644 --- a/qemu/tcg/i386/tcg-target.inc.c +++ b/qemu/tcg/i386/tcg-target.inc.c @@ -22,6 +22,8 @@ * THE SOFTWARE. */ +#include "tcg-pool.inc.c" + #ifdef CONFIG_DEBUG_TCG static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { #if TCG_TARGET_REG_BITS == 64 @@ -1212,9 +1214,14 @@ static void tcg_out_branch(TCGContext *s, int call, tcg_insn_unit *dest) tcg_out_opc(s, call ? OPC_CALL_Jz : OPC_JMP_long, 0, 0, 0); tcg_out32(s, disp); } else { - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R10, (uintptr_t)dest); - tcg_out_modrm(s, OPC_GRP5, - call ? EXT5_CALLN_Ev : EXT5_JMPN_Ev, TCG_REG_R10); + /* rip-relative addressing into the constant pool. + This is 6 + 8 = 14 bytes, as compared to using an + an immediate load 10 + 6 = 16 bytes, plus we may + be able to re-use the pool constant for more calls. */ + tcg_out_opc(s, OPC_GRP5, 0, 0, 0); + tcg_out8(s, (call ? EXT5_CALLN_Ev : EXT5_JMPN_Ev) << 3 | 5); + new_pool_label(s, (uintptr_t)dest, R_386_PC32, s->code_ptr, -4); + tcg_out32(s, 0); } } @@ -2691,6 +2698,11 @@ static void tcg_target_qemu_prologue(TCGContext *s) #endif } +static void tcg_out_nop_fill(tcg_insn_unit *p, int count) +{ + memset(p, 0x90, count); +} + static void tcg_target_init(TCGContext *s) { #ifdef CONFIG_CPUID_H diff --git a/qemu/tcg/tcg-pool.inc.c b/qemu/tcg/tcg-pool.inc.c index 8a851314..7b850130 100644 --- a/qemu/tcg/tcg-pool.inc.c +++ b/qemu/tcg/tcg-pool.inc.c @@ -32,7 +32,7 @@ typedef struct TCGLabelPoolData { static void new_pool_label(TCGContext *s, tcg_target_ulong data, int type, tcg_insn_unit *label, intptr_t addend) { - TCGLabelPoolData *n = tcg_malloc(sizeof(*n)); + TCGLabelPoolData *n = tcg_malloc(s, sizeof(*n)); TCGLabelPoolData *i, **pp; n->data = data;