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tcg/ppc64: Don't hardcode register numbers for qemu_ld/st 

Facilitates using r3 for prepended AREG0.

Signed-off-by: Andreas F?rber <afaerber@suse.de>
Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
Andreas Färber 2012-05-12 03:16:57 +02:00 committed by malc
parent 9cc31772bf
commit c82e5848e2
1 changed files with 9 additions and 7 deletions
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16
tcg/ppc64/tcg-target.c
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@ -642,7 +642,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
{
int addr_reg, data_reg, r0, r1, rbase, bswap;
#ifdef CONFIG_SOFTMMU
int r2, mem_index, s_bits;
int r2, mem_index, s_bits, ir;
void *label1_ptr, *label2_ptr;
#endif
@ -669,8 +669,9 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
tcg_out_mov (s, TCG_TYPE_I64, 3, addr_reg);
tcg_out_movi (s, TCG_TYPE_I64, 4, mem_index);
ir = 3;
tcg_out_mov (s, TCG_TYPE_I64, ir++, addr_reg);
tcg_out_movi (s, TCG_TYPE_I64, ir++, mem_index);
#ifdef CONFIG_TCG_PASS_AREG0
/* XXX/FIXME: suboptimal */
@ -799,7 +800,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
{
int addr_reg, r0, r1, rbase, data_reg, bswap;
#ifdef CONFIG_SOFTMMU
int r2, mem_index;
int r2, mem_index, ir;
void *label1_ptr, *label2_ptr;
#endif
@ -825,9 +826,10 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
tcg_out_mov (s, TCG_TYPE_I64, 3, addr_reg);
tcg_out_rld (s, RLDICL, 4, data_reg, 0, 64 - (1 << (3 + opc)));
tcg_out_movi (s, TCG_TYPE_I64, 5, mem_index);
ir = 3;
tcg_out_mov (s, TCG_TYPE_I64, ir++, addr_reg);
tcg_out_rld (s, RLDICL, ir++, data_reg, 0, 64 - (1 << (3 + opc)));
tcg_out_movi (s, TCG_TYPE_I64, ir++, mem_index);
#ifdef CONFIG_TCG_PASS_AREG0
/* XXX/FIXME: suboptimal */