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authorRichard Henderson <rth@twiddle.net>2013-08-28 11:16:16 -0700
committerRichard Henderson <rth@twiddle.net>2013-10-01 10:20:33 -0700
commite5e2e4a74b75b41f72e1e3b3bac8c2a6b02896c2 (patch)
treee4521cd67f5bc630f6a6d1f8a267ad2fdd6f1b24 /tcg/arm
parentd9f4dde4a6d34f14509664edc262016f21be5aac (diff)
tcg-arm: Use strd for tcg_out_arg_reg64
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/arm')
-rw-r--r--tcg/arm/tcg-target.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 9d2fe8a0f7..f953f4e556 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1149,9 +1149,16 @@ static TCGReg tcg_out_arg_reg64(TCGContext *s, TCGReg argreg,
if (argreg & 1) {
argreg++;
}
- argreg = tcg_out_arg_reg32(s, argreg, arglo);
- argreg = tcg_out_arg_reg32(s, argreg, arghi);
- return argreg;
+ if (use_armv6_instructions && argreg >= 4
+ && (arglo & 1) == 0 && arghi == arglo + 1) {
+ tcg_out_strd_8(s, COND_AL, arglo,
+ TCG_REG_CALL_STACK, (argreg - 4) * 4);
+ return argreg + 2;
+ } else {
+ argreg = tcg_out_arg_reg32(s, argreg, arglo);
+ argreg = tcg_out_arg_reg32(s, argreg, arghi);
+ return argreg;
+ }
}
#define TLB_SHIFT (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS)