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Use sethi and arith functions, fix comment 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4560 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-05-24 18:06:35 +00:00
parent 77fcd0934a
commit 26cc915cff
1 changed files with 26 additions and 23 deletions
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49
tcg/sparc/tcg-target.c
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@ -243,10 +243,28 @@ static inline int tcg_target_const_match(tcg_target_long val,
#define STW (INSN_OP(3) | INSN_OP3(0x04))
#define STX (INSN_OP(3) | INSN_OP3(0x0e))
static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
int op)
{
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
INSN_RS2(rs2));
}
static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
int op)
{
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
INSN_IMM13(offset));
}
static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
{
tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(arg) |
INSN_RS2(TCG_REG_G0));
tcg_out_arith(s, ret, arg, TCG_REG_G0, ARITH_OR);
}
static inline void tcg_out_sethi(TCGContext *s, int ret, uint32_t arg)
{
tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
}
static inline void tcg_out_movi(TCGContext *s, TCGType type,
@ -260,7 +278,7 @@ static inline void tcg_out_movi(TCGContext *s, TCGType type,
tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
INSN_IMM13(arg));
else {
tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
tcg_out_sethi(s, ret, arg);
if (arg & 0x3ff)
tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
INSN_IMM13(arg & 0x3ff));
@ -270,7 +288,7 @@ static inline void tcg_out_movi(TCGContext *s, TCGType type,
static inline void tcg_out_ld_raw(TCGContext *s, int ret,
tcg_target_long arg)
{
tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
tcg_out_sethi(s, ret, arg);
tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
INSN_IMM13(arg & 0x3ff));
}
@ -282,7 +300,7 @@ static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
if (!check_fit_tl(arg, 32) && (arg & ~0xffffffff) != 0)
fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
if (!check_fit_i32(arg, 13))
tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
tcg_out_sethi(s, ret, arg);
tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
INSN_IMM13(arg & 0x3ff));
#else
@ -320,20 +338,6 @@ static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
tcg_out_ldst(s, arg, arg1, arg2, STX);
}
static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
int op)
{
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
INSN_RS2(rs2));
}
static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
int op)
{
tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
INSN_IMM13(offset));
}
static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
{
if (val == 0 || val == -1)
@ -356,7 +360,7 @@ static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
static inline void tcg_out_nop(TCGContext *s)
{
tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
tcg_out_sethi(s, TCG_REG_G0, 0);
}
static void tcg_out_branch(TCGContext *s, int opc, int label_index)
@ -392,7 +396,7 @@ static void tcg_out_brcond(TCGContext *s, int cond,
int label_index)
{
if (const_arg2 && arg2 == 0)
/* orcc r, r, %g0 */
/* orcc %g0, r, %g0 */
tcg_out_arith(s, TCG_REG_G0, TCG_REG_G0, arg1, ARITH_ORCC);
else
/* subcc r1, r2, %g0 */
@ -780,8 +784,7 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
case INDEX_op_goto_tb:
if (s->tb_jmp_offset) {
/* direct jump method */
tcg_out32(s, SETHI | INSN_RD(TCG_REG_I5) |
((args[0] & 0xffffe000) >> 10));
tcg_out_sethi(s, TCG_REG_I5, args[0] & 0xffffe000);
tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
INSN_IMM13((args[0] & 0x1fff)));
s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;