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Add generic load/store with offset to assembler backends.

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This commit is contained in:
Mike Pall
2013-04-21 00:58:32 +02:00
parent e92e29dd4e
commit 9ead735159
6 changed files with 39 additions and 32 deletions
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16
src/lj_emit_mips.h
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@@ -178,24 +178,24 @@ static void emit_movrr(ASMState *as, IRIns *ir, Reg dst, Reg src)
emit_fg(as, irt_isnum(ir->t) ? MIPSI_MOV_D : MIPSI_MOV_S, dst, src);
}
/* Generic load of register from stack slot. */
static void emit_spload(ASMState *as, IRIns *ir, Reg r, int32_t ofs)
/* Generic load of register with base and (small) offset address. */
static void emit_loadofs(ASMState *as, IRIns *ir, Reg r, Reg base, int32_t ofs)
{
if (r < RID_MAX_GPR)
emit_tsi(as, MIPSI_LW, r, RID_SP, ofs);
emit_tsi(as, MIPSI_LW, r, base, ofs);
else
emit_tsi(as, irt_isnum(ir->t) ? MIPSI_LDC1 : MIPSI_LWC1,
(r & 31), RID_SP, ofs);
(r & 31), base, ofs);
}
/* Generic store of register to stack slot. */
static void emit_spstore(ASMState *as, IRIns *ir, Reg r, int32_t ofs)
/* Generic store of register with base and (small) offset address. */
static void emit_storeofs(ASMState *as, IRIns *ir, Reg r, Reg base, int32_t ofs)
{
if (r < RID_MAX_GPR)
emit_tsi(as, MIPSI_SW, r, RID_SP, ofs);
emit_tsi(as, MIPSI_SW, r, base, ofs);
else
emit_tsi(as, irt_isnum(ir->t) ? MIPSI_SDC1 : MIPSI_SWC1,
(r&31), RID_SP, ofs);
(r&31), base, ofs);
}
/* Add offset to pointer. */