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* mips-tdep.c (mips_insn16_frame_cache): Remove dead code or

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conditions that will always be true.
This commit is contained in:
Joel Brobecker
2004-10-01 00:20:13 +00:00
parent 76a9da429a
commit a9fe69d1f7
2 changed files with 8 additions and 14 deletions
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17
gdb/mips-tdep.c
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@ -1850,24 +1850,14 @@ mips_insn16_frame_cache (struct frame_info *next_frame, void **this_cache)
/* If the address is odd, assume this is MIPS16 code. */
addr = PROC_LOW_ADDR (proc_desc);
mips16 = pc_is_mips16 (addr);
/* Scan through this function's instructions preceding the
current PC, and look for those that save registers. */
while (addr < frame_pc_unwind (next_frame))
{
if (mips16)
{
mips16_decode_reg_save (mips16_fetch_instruction (addr),
&gen_save_found);
addr += MIPS16_INSTLEN;
}
else
{
mips32_decode_reg_save (mips32_fetch_instruction (addr),
&gen_save_found, &float_save_found);
addr += MIPS_INSTLEN;
}
mips16_decode_reg_save (mips16_fetch_instruction (addr),
&gen_save_found);
addr += MIPS16_INSTLEN;
}
gen_mask = gen_save_found;
float_mask = float_save_found;
@ -1891,7 +1881,6 @@ mips_insn16_frame_cache (struct frame_info *next_frame, void **this_cache)
order of that normally used by gcc. Therefore, we have to fetch
the first instruction of the function, and if it's an entry
instruction that saves $s0 or $s1, correct their saved addresses. */
if (pc_is_mips16 (PROC_LOW_ADDR (proc_desc)))
{
ULONGEST inst = mips16_fetch_instruction (PROC_LOW_ADDR (proc_desc));
if ((inst & 0xf81f) == 0xe809 && (inst & 0x700) != 0x700)