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| author |   malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-08-20 22:39:22 +0000 |
|---|---|---|
| committer | malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-08-20 22:39:22 +0000 |
| commit | 735ee40d92febcca2bf30a11ad4cbff4087c23bb (patch) | |
| tree | e4a3aafb9c89564f79db58245fc4db4cc134f156 /tcg/ppc64 | |
| parent | Avoid clobbering input/aliased registers in !SOFTMMU+64bit+bswap case (diff) | |
| download | qemu-kvm-735ee40d92febcca2bf30a11ad4cbff4087c23bb.tar.gz qemu-kvm-735ee40d92febcca2bf30a11ad4cbff4087c23bb.tar.bz2 qemu-kvm-735ee40d92febcca2bf30a11ad4cbff4087c23bb.zip | |
Relax qemu_ld/st constraints for !SOFTMMU case
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5034 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tcg/ppc64')
| -rw-r--r-- | tcg/ppc64/tcg-target.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c index f79459da2..6acf823eb 100644 --- a/tcg/ppc64/tcg-target.c +++ b/tcg/ppc64/tcg-target.c @@ -219,14 +219,18 @@ static int target_parse_constraint (TCGArgConstraint *ct, const char **pct_str) ct->ct |= TCG_CT_REG; tcg_regset_set32 (ct->u.regs, 0, 0xffffffff); tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3); +#ifdef CONFIG_SOFTMMU tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4); +#endif break; case 'S': /* qemu_st constraint */ ct->ct |= TCG_CT_REG; tcg_regset_set32 (ct->u.regs, 0, 0xffffffff); tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3); +#ifdef CONFIG_SOFTMMU tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4); tcg_regset_reset_reg (ct->u.regs, TCG_REG_R5); +#endif break; case 'Z': ct->ct |= TCG_CT_CONST_U32; @@ -653,7 +657,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32); #endif r0 = addr_reg; - r1 = 4; + r1 = 3; #endif #ifdef TARGET_WORDS_BIGENDIAN @@ -765,7 +769,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) #if TARGET_LONG_BITS == 32 tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32); #endif - r1 = 4; + r1 = 3; r0 = addr_reg; #endif |