Remove dead i386 assembly code from softmmu_header.h
authorStuart Brady <sdbrady@ntlworld.com>
Sun, 12 Jul 2009 19:09:40 +0000 (20:09 +0100)
committerAnthony Liguori <aliguori@us.ibm.com>
Thu, 16 Jul 2009 22:28:50 +0000 (17:28 -0500)
This patch removes dead i386 assembly code from softmmu_header.h.

The code is conditional on ASM_SOFTMMU, which is never defined.
Optimisation for the fast path is already handled by tcg_out_qemu_ld()
and tcg_out_qemu_st(), so there seems to be little need for this code.

Signed-off-by: Stuart Brady <stuart.brady@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
softmmu_header.h

index ae737ff9da902581ed799830e99ccc1f69d19594..6a36e01dc1c3a08b6475b2591eaae3ca26ca3879 100644 (file)
 #define ADDR_READ addr_read
 #endif
 
-#if (DATA_SIZE <= 4) && (TARGET_LONG_BITS == 32) && defined(__i386__) && \
-    (ACCESS_TYPE < NB_MMU_MODES) && defined(ASM_SOFTMMU)
-
-static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
-{
-    int res;
-
-    asm volatile ("movl %1, %%edx\n"
-                  "movl %1, %%eax\n"
-                  "shrl %3, %%edx\n"
-                  "andl %4, %%eax\n"
-                  "andl %2, %%edx\n"
-                  "leal %5(%%edx, %%ebp), %%edx\n"
-                  "cmpl (%%edx), %%eax\n"
-                  "movl %1, %%eax\n"
-                  "je 1f\n"
-                  "movl %6, %%edx\n"
-                  "call %7\n"
-                  "movl %%eax, %0\n"
-                  "jmp 2f\n"
-                  "1:\n"
-                  "addl 12(%%edx), %%eax\n"
-#if DATA_SIZE == 1
-                  "movzbl (%%eax), %0\n"
-#elif DATA_SIZE == 2
-                  "movzwl (%%eax), %0\n"
-#elif DATA_SIZE == 4
-                  "movl (%%eax), %0\n"
-#else
-#error unsupported size
-#endif
-                  "2:\n"
-                  : "=r" (res)
-                  : "r" (ptr),
-                  "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
-                  "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MMU_INDEX][0].addr_read)),
-                  "i" (CPU_MMU_INDEX),
-                  "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
-                  : "%eax", "%ecx", "%edx", "memory", "cc");
-    return res;
-}
-
-#if DATA_SIZE <= 2
-static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
-{
-    int res;
-
-    asm volatile ("movl %1, %%edx\n"
-                  "movl %1, %%eax\n"
-                  "shrl %3, %%edx\n"
-                  "andl %4, %%eax\n"
-                  "andl %2, %%edx\n"
-                  "leal %5(%%edx, %%ebp), %%edx\n"
-                  "cmpl (%%edx), %%eax\n"
-                  "movl %1, %%eax\n"
-                  "je 1f\n"
-                  "movl %6, %%edx\n"
-                  "call %7\n"
-#if DATA_SIZE == 1
-                  "movsbl %%al, %0\n"
-#elif DATA_SIZE == 2
-                  "movswl %%ax, %0\n"
-#else
-#error unsupported size
-#endif
-                  "jmp 2f\n"
-                  "1:\n"
-                  "addl 12(%%edx), %%eax\n"
-#if DATA_SIZE == 1
-                  "movsbl (%%eax), %0\n"
-#elif DATA_SIZE == 2
-                  "movswl (%%eax), %0\n"
-#else
-#error unsupported size
-#endif
-                  "2:\n"
-                  : "=r" (res)
-                  : "r" (ptr),
-                  "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
-                  "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MMU_INDEX][0].addr_read)),
-                  "i" (CPU_MMU_INDEX),
-                  "m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
-                  : "%eax", "%ecx", "%edx", "memory", "cc");
-    return res;
-}
-#endif
-
-static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
-{
-    asm volatile ("movl %0, %%edx\n"
-                  "movl %0, %%eax\n"
-                  "shrl %3, %%edx\n"
-                  "andl %4, %%eax\n"
-                  "andl %2, %%edx\n"
-                  "leal %5(%%edx, %%ebp), %%edx\n"
-                  "cmpl (%%edx), %%eax\n"
-                  "movl %0, %%eax\n"
-                  "je 1f\n"
-#if DATA_SIZE == 1
-                  "movzbl %b1, %%edx\n"
-#elif DATA_SIZE == 2
-                  "movzwl %w1, %%edx\n"
-#elif DATA_SIZE == 4
-                  "movl %1, %%edx\n"
-#else
-#error unsupported size
-#endif
-                  "movl %6, %%ecx\n"
-                  "call %7\n"
-                  "jmp 2f\n"
-                  "1:\n"
-                  "addl 8(%%edx), %%eax\n"
-#if DATA_SIZE == 1
-                  "movb %b1, (%%eax)\n"
-#elif DATA_SIZE == 2
-                  "movw %w1, (%%eax)\n"
-#elif DATA_SIZE == 4
-                  "movl %1, (%%eax)\n"
-#else
-#error unsupported size
-#endif
-                  "2:\n"
-                  :
-                  : "r" (ptr),
-#if DATA_SIZE == 1
-                  "q" (v),
-#else
-                  "r" (v),
-#endif
-                  "i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
-                  "i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
-                  "m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MMU_INDEX][0].addr_write)),
-                  "i" (CPU_MMU_INDEX),
-                  "m" (*(uint8_t *)&glue(glue(__st, SUFFIX), MMUSUFFIX))
-                  : "%eax", "%ecx", "%edx", "memory", "cc");
-}
-
-#else
-
 /* generic load/store macros */
 
 static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
@@ -283,8 +139,6 @@ static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE
 
 #endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
 
-#endif /* !asm */
-
 #if ACCESS_TYPE != (NB_MMU_MODES + 1)
 
 #if DATA_SIZE == 8