aboutsummaryrefslogtreecommitdiff
path: root/tcg
diff options
context:
space:
mode:
authorAndreas Färber <afaerber@suse.de>2012-05-09 19:26:57 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2012-05-09 13:59:19 -0500
commitd831fdb0517118e8029316495cb272cbb8910800 (patch)
treebe7016c385a5f9e06add22e9a607b5c4966372ac /tcg
parentc1696d94c17b7fe03a2b103b1ba117fb0726a316 (diff)
tcg/ppc: Don't hardcode register numbers
Also assure i64 alignment where necessary. Alignment code optimization suggested by malc. Signed-off-by: Andreas Färber <afaerber@suse.de> Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/ppc/tcg-target.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index 4b85c897e1..b4e0466083 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -552,7 +552,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
{
int addr_reg, data_reg, data_reg2, r0, r1, rbase, bswap;
#ifdef CONFIG_SOFTMMU
- int mem_index, s_bits, r2;
+ int mem_index, s_bits, r2, ir;
void *label1_ptr, *label2_ptr;
#if TARGET_LONG_BITS == 64
int addr_reg2;
@@ -614,14 +614,17 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
+ ir = 3;
#if TARGET_LONG_BITS == 32
- tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg);
- tcg_out_movi (s, TCG_TYPE_I32, 4, mem_index);
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
#else
- tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg2);
- tcg_out_mov (s, TCG_TYPE_I32, 4, addr_reg);
- tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index);
+#ifdef TCG_TARGET_CALL_ALIGN_ARGS
+ ir |= 1;
+#endif
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg2);
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
#endif
+ tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1);
switch (opc) {
@@ -810,13 +813,15 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
#endif
/* slow path */
+ ir = 3;
#if TARGET_LONG_BITS == 32
- tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg);
- ir = 4;
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
#else
- tcg_out_mov (s, TCG_TYPE_I32, 3, addr_reg2);
- tcg_out_mov (s, TCG_TYPE_I32, 4, addr_reg);
- ir = 5;
+#ifdef TCG_TARGET_CALL_ALIGN_ARGS
+ ir |= 1;
+#endif
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg2);
+ tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg);
#endif
switch (opc) {
@@ -841,7 +846,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
break;
case 3:
#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir = 5;
+ ir |= 1;
#endif
tcg_out_mov (s, TCG_TYPE_I32, ir++, data_reg2);
tcg_out_mov (s, TCG_TYPE_I32, ir, data_reg);