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| author | Richard Henderson <rth@twiddle.net> | 2012-10-10 09:02:39 -0700 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-10-13 10:39:53 +0000 |
| commit | a7a49843d70232e0f179e1da330355e5f03ab182 (patch) | |
| tree | 0cc0062a3b48a6bef1a9da4dc7c57a4a74cec452 /tcg | |
| parent | dda73c782ffb1333eaf96444e27dcce5bc658454 (diff) | |
| download | qemu-a7a49843d70232e0f179e1da330355e5f03ab182.zip qemu-a7a49843d70232e0f179e1da330355e5f03ab182.tar.gz qemu-a7a49843d70232e0f179e1da330355e5f03ab182.tar.bz2 | |
tcg-sparc: Fix qemu_st for 32-bit
The datalo variable is still live in the miss path. Use another
when reconstructing the full data value.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/sparc/tcg-target.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index bdc282d..3144044 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -985,7 +985,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int sizeop) { int addrlo_idx = 1, datalo, datahi, addr_reg; #if defined(CONFIG_SOFTMMU) - int memi_idx, memi, n; + int memi_idx, memi, n, datafull; uint32_t *label_ptr; #endif @@ -1002,12 +1002,13 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int sizeop) addr_reg = tcg_out_tlb_load(s, addrlo_idx, memi, sizeop, args, offsetof(CPUTLBEntry, addr_write)); + datafull = datalo; if (TCG_TARGET_REG_BITS == 32 && sizeop == 3) { /* Reconstruct the full 64-bit value. */ tcg_out_arithi(s, TCG_REG_T1, datalo, 0, SHIFT_SRL); tcg_out_arithi(s, TCG_REG_O2, datahi, 32, SHIFT_SLLX); tcg_out_arith(s, TCG_REG_O2, TCG_REG_T1, TCG_REG_O2, ARITH_OR); - datalo = TCG_REG_O2; + datafull = TCG_REG_O2; } /* The fast path is exactly one insn. Thus we can perform the entire @@ -1018,7 +1019,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int sizeop) | ((TARGET_LONG_BITS == 64) << 21) | (1 << 29) | (1 << 19))); /* delay slot */ - tcg_out_ldst_rr(s, datalo, addr_reg, TCG_REG_O1, qemu_st_opc[sizeop]); + tcg_out_ldst_rr(s, datafull, addr_reg, TCG_REG_O1, qemu_st_opc[sizeop]); /* TLB Miss. */ |