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authorBlue Swirl <blauwirbel@gmail.com>2012-05-12 20:39:26 +0000
committerBlue Swirl <blauwirbel@gmail.com>2012-06-28 20:28:08 +0000
commit38de4c46f2560c08a113c65bd6186ac31f1869dd (patch)
tree39b71670bacc0cfdc877a5d6d7a54c999207f2f2 /target-i386/helper_template.h
parenta04759f6ae5a4fd496917dabbdff0d552bda730a (diff)
x86: split condition code and shift templates
Move shift templates from helper_template.h to shift_helper_template.h and the condition code helpers to cc_helper_template.h. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-i386/helper_template.h')
-rw-r--r--target-i386/helper_template.h353
1 files changed, 0 insertions, 353 deletions
diff --git a/target-i386/helper_template.h b/target-i386/helper_template.h
deleted file mode 100644
index 8b2d4f08f9..0000000000
--- a/target-i386/helper_template.h
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- * i386 helpers
- *
- * Copyright (c) 2008 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * 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))
-#if DATA_BITS <= 32
-#define SHIFT1_MASK 0x1f
-#else
-#define SHIFT1_MASK 0x3f
-#endif
-
-#if DATA_BITS == 8
-#define SUFFIX b
-#define DATA_TYPE uint8_t
-#define DATA_STYPE int8_t
-#define DATA_MASK 0xff
-#elif DATA_BITS == 16
-#define SUFFIX w
-#define DATA_TYPE uint16_t
-#define DATA_STYPE int16_t
-#define DATA_MASK 0xffff
-#elif DATA_BITS == 32
-#define SUFFIX l
-#define DATA_TYPE uint32_t
-#define DATA_STYPE int32_t
-#define DATA_MASK 0xffffffff
-#elif DATA_BITS == 64
-#define SUFFIX q
-#define DATA_TYPE uint64_t
-#define DATA_STYPE int64_t
-#define DATA_MASK 0xffffffffffffffffULL
-#else
-#error unhandled operand size
-#endif
-
-/* dynamic flags computation */
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-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;
-}
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-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;
-}
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-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;
- return cf;
-}
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-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;
- return cf;
-}
-
-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;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = 0;
- return cf | pf | af | zf | sf | of;
-}
-
-static int glue(compute_c_logic, SUFFIX)(void)
-{
- return 0;
-}
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
- return cf | pf | af | zf | sf | of;
-}
-
-#if DATA_BITS == 32
-static int glue(compute_c_inc, SUFFIX)(void)
-{
- return CC_SRC;
-}
-#endif
-
-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;
- pf = parity_table[(uint8_t)CC_DST];
- af = (CC_DST ^ src1 ^ src2) & 0x10;
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11;
- return cf | pf | af | zf | sf | of;
-}
-
-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 */
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- /* of is defined if shift count == 1 */
- of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-static int glue(compute_c_shl, SUFFIX)(void)
-{
- return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
-}
-
-#if DATA_BITS == 32
-static int glue(compute_c_sar, SUFFIX)(void)
-{
- return CC_SRC & 1;
-}
-#endif
-
-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 */
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- /* of is defined if shift count == 1 */
- of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
- return cf | pf | af | zf | sf | of;
-}
-
-#if DATA_BITS == 32
-static int glue(compute_c_mul, SUFFIX)(void)
-{
- int cf;
-
- cf = (CC_SRC != 0);
- return cf;
-}
-#endif
-
-/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
- CF are modified and it is slower to do that. */
-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 */
- zf = ((DATA_TYPE)CC_DST == 0) << 6;
- sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
- of = cf << 11;
- return cf | pf | af | zf | sf | of;
-}
-
-/* shifts */
-
-target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1)
-{
- int count, eflags;
- target_ulong src;
- target_long res;
-
- count = t1 & SHIFT1_MASK;
-#if DATA_BITS == 16
- count = rclw_table[count];
-#elif DATA_BITS == 8
- count = rclb_table[count];
-#endif
- if (count) {
- eflags = helper_cc_compute_all(CC_OP);
- t0 &= DATA_MASK;
- src = t0;
- res = (t0 << count) | ((target_ulong)(eflags & CC_C) << (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) |
- ((src >> (DATA_BITS - count)) & CC_C);
- } else {
- env->cc_tmp = -1;
- }
- return t0;
-}
-
-target_ulong glue(helper_rcr, SUFFIX)(target_ulong t0, target_ulong t1)
-{
- int count, eflags;
- target_ulong src;
- target_long res;
-
- count = t1 & SHIFT1_MASK;
-#if DATA_BITS == 16
- count = rclw_table[count];
-#elif DATA_BITS == 8
- count = rclb_table[count];
-#endif
- if (count) {
- 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 << (DATA_BITS + 1 - count);
- }
- t0 = res;
- env->cc_tmp = (eflags & ~(CC_C | CC_O)) |
- (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
- ((src >> (count - 1)) & CC_C);
- } else {
- env->cc_tmp = -1;
- }
- return t0;
-}
-
-#undef DATA_BITS
-#undef SHIFT_MASK
-#undef SHIFT1_MASK
-#undef SIGN_MASK
-#undef DATA_TYPE
-#undef DATA_STYPE
-#undef DATA_MASK
-#undef SUFFIX