diff options
Diffstat (limited to 'target-i386/helper_template.h')
| -rw-r--r-- | target-i386/helper_template.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/target-i386/helper_template.h b/target-i386/helper_template.h index afc41fb980..8b2d4f08f9 100644 --- a/target-i386/helper_template.h +++ b/target-i386/helper_template.h @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ + #define DATA_BITS (1 << (3 + SHIFT)) #define SHIFT_MASK (DATA_BITS - 1) #define SIGN_MASK (((target_ulong)1) << (DATA_BITS - 1)) @@ -55,6 +56,7 @@ static int glue(compute_all_add, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_SRC; src2 = CC_DST - CC_SRC; cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; @@ -70,6 +72,7 @@ static int glue(compute_c_add, SUFFIX)(void) { int cf; target_long src1; + src1 = CC_SRC; cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; return cf; @@ -79,6 +82,7 @@ static int glue(compute_all_adc, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_SRC; src2 = CC_DST - CC_SRC - 1; cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; @@ -94,6 +98,7 @@ static int glue(compute_c_adc, SUFFIX)(void) { int cf; target_long src1; + src1 = CC_SRC; cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; return cf; @@ -103,6 +108,7 @@ static int glue(compute_all_sub, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_DST + CC_SRC; src2 = CC_SRC; cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; @@ -118,6 +124,7 @@ static int glue(compute_c_sub, SUFFIX)(void) { int cf; target_long src1, src2; + src1 = CC_DST + CC_SRC; src2 = CC_SRC; cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; @@ -128,6 +135,7 @@ static int glue(compute_all_sbb, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_DST + CC_SRC + 1; src2 = CC_SRC; cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; @@ -143,6 +151,7 @@ static int glue(compute_c_sbb, SUFFIX)(void) { int cf; target_long src1, src2; + src1 = CC_DST + CC_SRC + 1; src2 = CC_SRC; cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; @@ -152,6 +161,7 @@ static int glue(compute_c_sbb, SUFFIX)(void) static int glue(compute_all_logic, SUFFIX)(void) { int cf, pf, af, zf, sf, of; + cf = 0; pf = parity_table[(uint8_t)CC_DST]; af = 0; @@ -170,6 +180,7 @@ static int glue(compute_all_inc, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_DST - 1; src2 = 1; cf = CC_SRC; @@ -192,6 +203,7 @@ static int glue(compute_all_dec, SUFFIX)(void) { int cf, pf, af, zf, sf, of; target_long src1, src2; + src1 = CC_DST + 1; src2 = 1; cf = CC_SRC; @@ -206,6 +218,7 @@ static int glue(compute_all_dec, SUFFIX)(void) static int glue(compute_all_shl, SUFFIX)(void) { int cf, pf, af, zf, sf, of; + cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C; pf = parity_table[(uint8_t)CC_DST]; af = 0; /* undefined */ @@ -231,6 +244,7 @@ static int glue(compute_c_sar, SUFFIX)(void) static int glue(compute_all_sar, SUFFIX)(void) { int cf, pf, af, zf, sf, of; + cf = CC_SRC & 1; pf = parity_table[(uint8_t)CC_DST]; af = 0; /* undefined */ @@ -245,6 +259,7 @@ static int glue(compute_all_sar, SUFFIX)(void) static int glue(compute_c_mul, SUFFIX)(void) { int cf; + cf = (CC_SRC != 0); return cf; } @@ -255,6 +270,7 @@ static int glue(compute_c_mul, SUFFIX)(void) static int glue(compute_all_mul, SUFFIX)(void) { int cf, pf, af, zf, sf, of; + cf = (CC_SRC != 0); pf = parity_table[(uint8_t)CC_DST]; af = 0; /* undefined */ @@ -283,8 +299,9 @@ target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1) t0 &= DATA_MASK; src = t0; res = (t0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1)); - if (count > 1) + if (count > 1) { res |= t0 >> (DATA_BITS + 1 - count); + } t0 = res; env->cc_tmp = (eflags & ~(CC_C | CC_O)) | (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) | @@ -311,9 +328,11 @@ target_ulong glue(helper_rcr, SUFFIX)(target_ulong t0, target_ulong t1) eflags = helper_cc_compute_all(CC_OP); t0 &= DATA_MASK; src = t0; - res = (t0 >> count) | ((target_ulong)(eflags & CC_C) << (DATA_BITS - count)); - if (count > 1) + res = (t0 >> count) | + ((target_ulong)(eflags & CC_C) << (DATA_BITS - count)); + if (count > 1) { res |= t0 << (DATA_BITS + 1 - count); + } t0 = res; env->cc_tmp = (eflags & ~(CC_C | CC_O)) | (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) | |