aboutsummaryrefslogtreecommitdiff
path: root/target-arm/op.c
diff options
context:
space:
mode:
authorpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-31 03:46:33 +0000
committerpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-31 03:46:33 +0000
commit6ddbc6e4cfbfa0937fdebd8aa7b518d8b7fd118b (patch)
treef1a5af853e58f91106f2eb90338cc795ae036fa2 /target-arm/op.c
parent3670669ce25ef337a6e5e99b7a97b83997c06721 (diff)
ARM TCG conversion 7/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4144 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-arm/op.c')
-rw-r--r--target-arm/op.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/target-arm/op.c b/target-arm/op.c
index e714d41deb..c3150ada33 100644
--- a/target-arm/op.c
+++ b/target-arm/op.c
@@ -805,327 +805,6 @@ void OPPROTO op_movl_user_T0(void)
FORCE_RET();
}
-/* ARMv6 Media instructions. */
-
-/* Note that signed overflow is undefined in C. The following routines are
- careful to use unsigned types where modulo arithmetic is required.
- Failure to do so _will_ break on newer gcc. */
-
-/* Signed saturating arithmetic. */
-
-/* Perform 16-bit signed satruating addition. */
-static inline uint16_t add16_sat(uint16_t a, uint16_t b)
-{
- uint16_t res;
-
- res = a + b;
- if (((res ^ a) & 0x8000) && !((a ^ b) & 0x8000)) {
- if (a & 0x8000)
- res = 0x8000;
- else
- res = 0x7fff;
- }
- return res;
-}
-
-/* Perform 8-bit signed satruating addition. */
-static inline uint8_t add8_sat(uint8_t a, uint8_t b)
-{
- uint8_t res;
-
- res = a + b;
- if (((res ^ a) & 0x80) && !((a ^ b) & 0x80)) {
- if (a & 0x80)
- res = 0x80;
- else
- res = 0x7f;
- }
- return res;
-}
-
-/* Perform 16-bit signed satruating subtraction. */
-static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
-{
- uint16_t res;
-
- res = a - b;
- if (((res ^ a) & 0x8000) && ((a ^ b) & 0x8000)) {
- if (a & 0x8000)
- res = 0x8000;
- else
- res = 0x7fff;
- }
- return res;
-}
-
-/* Perform 8-bit signed satruating subtraction. */
-static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
-{
- uint8_t res;
-
- res = a - b;
- if (((res ^ a) & 0x80) && ((a ^ b) & 0x80)) {
- if (a & 0x80)
- res = 0x80;
- else
- res = 0x7f;
- }
- return res;
-}
-
-#define ADD16(a, b, n) RESULT(add16_sat(a, b), n, 16);
-#define SUB16(a, b, n) RESULT(sub16_sat(a, b), n, 16);
-#define ADD8(a, b, n) RESULT(add8_sat(a, b), n, 8);
-#define SUB8(a, b, n) RESULT(sub8_sat(a, b), n, 8);
-#define PFX q
-
-#include "op_addsub.h"
-
-/* Unsigned saturating arithmetic. */
-static inline uint16_t add16_usat(uint16_t a, uint8_t b)
-{
- uint16_t res;
- res = a + b;
- if (res < a)
- res = 0xffff;
- return res;
-}
-
-static inline uint16_t sub16_usat(uint16_t a, uint8_t b)
-{
- if (a < b)
- return a - b;
- else
- return 0;
-}
-
-static inline uint8_t add8_usat(uint8_t a, uint8_t b)
-{
- uint8_t res;
- res = a + b;
- if (res < a)
- res = 0xff;
- return res;
-}
-
-static inline uint8_t sub8_usat(uint8_t a, uint8_t b)
-{
- if (a < b)
- return a - b;
- else
- return 0;
-}
-
-#define ADD16(a, b, n) RESULT(add16_usat(a, b), n, 16);
-#define SUB16(a, b, n) RESULT(sub16_usat(a, b), n, 16);
-#define ADD8(a, b, n) RESULT(add8_usat(a, b), n, 8);
-#define SUB8(a, b, n) RESULT(sub8_usat(a, b), n, 8);
-#define PFX uq
-
-#include "op_addsub.h"
-
-/* Signed modulo arithmetic. */
-#define SARITH16(a, b, n, op) do { \
- int32_t sum; \
- sum = (int16_t)((uint16_t)(a) op (uint16_t)(b)); \
- RESULT(sum, n, 16); \
- if (sum >= 0) \
- ge |= 3 << (n * 2); \
- } while(0)
-
-#define SARITH8(a, b, n, op) do { \
- int32_t sum; \
- sum = (int8_t)((uint8_t)(a) op (uint8_t)(b)); \
- RESULT(sum, n, 8); \
- if (sum >= 0) \
- ge |= 1 << n; \
- } while(0)
-
-
-#define ADD16(a, b, n) SARITH16(a, b, n, +)
-#define SUB16(a, b, n) SARITH16(a, b, n, -)
-#define ADD8(a, b, n) SARITH8(a, b, n, +)
-#define SUB8(a, b, n) SARITH8(a, b, n, -)
-#define PFX s
-#define ARITH_GE
-
-#include "op_addsub.h"
-
-/* Unsigned modulo arithmetic. */
-#define ADD16(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b); \
- RESULT(sum, n, 16); \
- if ((sum >> 16) == 0) \
- ge |= 3 << (n * 2); \
- } while(0)
-
-#define ADD8(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b); \
- RESULT(sum, n, 8); \
- if ((sum >> 8) == 0) \
- ge |= 3 << (n * 2); \
- } while(0)
-
-#define SUB16(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b); \
- RESULT(sum, n, 16); \
- if ((sum >> 16) == 0) \
- ge |= 3 << (n * 2); \
- } while(0)
-
-#define SUB8(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b); \
- RESULT(sum, n, 8); \
- if ((sum >> 8) == 0) \
- ge |= 3 << (n * 2); \
- } while(0)
-
-#define PFX u
-#define ARITH_GE
-
-#include "op_addsub.h"
-
-/* Halved signed arithmetic. */
-#define ADD16(a, b, n) \
- RESULT(((int32_t)(int16_t)(a) + (int32_t)(int16_t)(b)) >> 1, n, 16)
-#define SUB16(a, b, n) \
- RESULT(((int32_t)(int16_t)(a) - (int32_t)(int16_t)(b)) >> 1, n, 16)
-#define ADD8(a, b, n) \
- RESULT(((int32_t)(int8_t)(a) + (int32_t)(int8_t)(b)) >> 1, n, 8)
-#define SUB8(a, b, n) \
- RESULT(((int32_t)(int8_t)(a) - (int32_t)(int8_t)(b)) >> 1, n, 8)
-#define PFX sh
-
-#include "op_addsub.h"
-
-/* Halved unsigned arithmetic. */
-#define ADD16(a, b, n) \
- RESULT(((uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b)) >> 1, n, 16)
-#define SUB16(a, b, n) \
- RESULT(((uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b)) >> 1, n, 16)
-#define ADD8(a, b, n) \
- RESULT(((uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b)) >> 1, n, 8)
-#define SUB8(a, b, n) \
- RESULT(((uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b)) >> 1, n, 8)
-#define PFX uh
-
-#include "op_addsub.h"
-
-void OPPROTO op_sel_T0_T1(void)
-{
- uint32_t mask;
- uint32_t flags;
-
- flags = env->GE;
- mask = 0;
- if (flags & 1)
- mask |= 0xff;
- if (flags & 2)
- mask |= 0xff00;
- if (flags & 4)
- mask |= 0xff0000;
- if (flags & 8)
- mask |= 0xff000000;
- T0 = (T0 & mask) | (T1 & ~mask);
- FORCE_RET();
-}
-
-/* Signed saturation. */
-static inline uint32_t do_ssat(int32_t val, int shift)
-{
- int32_t top;
- uint32_t mask;
-
- shift = PARAM1;
- top = val >> shift;
- mask = (1u << shift) - 1;
- if (top > 0) {
- env->QF = 1;
- return mask;
- } else if (top < -1) {
- env->QF = 1;
- return ~mask;
- }
- return val;
-}
-
-/* Unsigned saturation. */
-static inline uint32_t do_usat(int32_t val, int shift)
-{
- uint32_t max;
-
- shift = PARAM1;
- max = (1u << shift) - 1;
- if (val < 0) {
- env->QF = 1;
- return 0;
- } else if (val > max) {
- env->QF = 1;
- return max;
- }
- return val;
-}
-
-/* Signed saturate. */
-void OPPROTO op_ssat_T1(void)
-{
- T0 = do_ssat(T0, PARAM1);
- FORCE_RET();
-}
-
-/* Dual halfword signed saturate. */
-void OPPROTO op_ssat16_T1(void)
-{
- uint32_t res;
-
- res = (uint16_t)do_ssat((int16_t)T0, PARAM1);
- res |= do_ssat(((int32_t)T0) >> 16, PARAM1) << 16;
- T0 = res;
- FORCE_RET();
-}
-
-/* Unsigned saturate. */
-void OPPROTO op_usat_T1(void)
-{
- T0 = do_usat(T0, PARAM1);
- FORCE_RET();
-}
-
-/* Dual halfword unsigned saturate. */
-void OPPROTO op_usat16_T1(void)
-{
- uint32_t res;
-
- res = (uint16_t)do_usat((int16_t)T0, PARAM1);
- res |= do_usat(((int32_t)T0) >> 16, PARAM1) << 16;
- T0 = res;
- FORCE_RET();
-}
-
-/* Dual 16-bit add. */
-static inline uint8_t do_usad(uint8_t a, uint8_t b)
-{
- if (a > b)
- return a - b;
- else
- return b - a;
-}
-
-/* Unsigned sum of absolute byte differences. */
-void OPPROTO op_usad8_T0_T1(void)
-{
- uint32_t sum;
- sum = do_usad(T0, T1);
- sum += do_usad(T0 >> 8, T1 >> 8);
- sum += do_usad(T0 >> 16, T1 >>16);
- sum += do_usad(T0 >> 24, T1 >> 24);
- T0 = sum;
-}
-
void OPPROTO op_movl_T1_r13_banked(void)
{
T1 = helper_get_r13_banked(env, PARAM1);