diff options
author | Richard Henderson <rth@twiddle.net> | 2013-01-23 16:10:49 -0800 |
---|---|---|
committer | Richard Henderson <rth@twiddle.net> | 2013-02-18 15:25:55 -0800 |
commit | db9f2597722d5d8bc5f2330f186288d893114338 (patch) | |
tree | 240c865992c49a148ba7df2e0d50dffa7cb04a88 /target-i386/cc_helper.c | |
parent | 8601c0b6c553a018fc62007efa8ac2a71d77f449 (diff) |
target-i386: Make helper_cc_compute_{all,c} const
Pass the data in explicitly, rather than indirectly via env.
This avoids all sorts of unnecessary register spillage.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386/cc_helper.c')
-rw-r--r-- | target-i386/cc_helper.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/target-i386/cc_helper.c b/target-i386/cc_helper.c index 61427ddeac..a5d8181804 100644 --- a/target-i386/cc_helper.c +++ b/target-i386/cc_helper.c @@ -75,10 +75,8 @@ const uint8_t parity_table[256] = { #endif -uint32_t helper_cc_compute_all(CPUX86State *env, int op) +target_ulong helper_cc_compute_all(target_ulong dst, target_ulong src1, int op) { - target_ulong dst = CC_DST, src1 = CC_SRC; - switch (op) { default: /* should never happen */ return 0; @@ -183,13 +181,11 @@ uint32_t helper_cc_compute_all(CPUX86State *env, int op) uint32_t cpu_cc_compute_all(CPUX86State *env, int op) { - return helper_cc_compute_all(env, op); + return helper_cc_compute_all(CC_DST, CC_SRC, op); } -uint32_t helper_cc_compute_c(CPUX86State *env, int op) +target_ulong helper_cc_compute_c(target_ulong dst, target_ulong src1, int op) { - target_ulong dst = CC_DST, src1 = CC_SRC; - switch (op) { default: /* should never happen */ case CC_OP_LOGICB: @@ -281,7 +277,7 @@ target_ulong helper_read_eflags(CPUX86State *env) { uint32_t eflags; - eflags = helper_cc_compute_all(env, CC_OP); + eflags = cpu_cc_compute_all(env, CC_OP); eflags |= (DF & DF_MASK); eflags |= env->eflags & ~(VM_MASK | RF_MASK); return eflags; |