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tcg/arm: don't try to load constants using pc

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There is statistically almost 0 chances to use this code, so
remove it.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2010-04-09 20:52:48 +02:00
parent 914ccf51b0
commit c66b5c2cb6
1 changed files with 0 additions and 7 deletions
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7
tcg/arm/tcg-target.c
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@ -396,19 +396,12 @@ static inline void tcg_out_dat_imm(TCGContext *s,
static inline void tcg_out_movi32(TCGContext *s, static inline void tcg_out_movi32(TCGContext *s,
int cond, int rd, int32_t arg) int cond, int rd, int32_t arg)
{ {
int offset = (uint32_t) arg - ((uint32_t) s->code_ptr + 8);
/* TODO: This is very suboptimal, we can easily have a constant /* TODO: This is very suboptimal, we can easily have a constant
* pool somewhere after all the instructions. */ * pool somewhere after all the instructions. */
if (arg < 0 && arg > -0x100) if (arg < 0 && arg > -0x100)
return tcg_out_dat_imm(s, cond, ARITH_MVN, rd, 0, (~arg) & 0xff); return tcg_out_dat_imm(s, cond, ARITH_MVN, rd, 0, (~arg) & 0xff);
if (offset < 0x100 && offset > -0x100)
return offset >= 0 ?
tcg_out_dat_imm(s, cond, ARITH_ADD, rd, 15, offset) :
tcg_out_dat_imm(s, cond, ARITH_SUB, rd, 15, -offset);
if (use_armv7_instructions) { if (use_armv7_instructions) {
/* use movw/movt */ /* use movw/movt */
/* movw */ /* movw */