Patchwork [v2,18/18] tcg/arm: don't try to load constants using pc

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Submitter Aurelien Jarno
Date April 10, 2010, 1:33 a.m.
Message ID <1270863186-10180-19-git-send-email-aurelien@aurel32.net>
Download mbox | patch
Permalink /patch/49890/
State New
Headers show

Comments

Aurelien Jarno - April 10, 2010, 1:33 a.m.
There is statistically almost 0 chances to use this code, so
remove it.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 tcg/arm/tcg-target.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

Patch

diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 1e2028f..33c780b 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -396,19 +396,12 @@  static inline void tcg_out_dat_imm(TCGContext *s,
 static inline void tcg_out_movi32(TCGContext *s,
                 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
      * pool somewhere after all the instructions.  */
 
     if (arg < 0 && arg > -0x100)
         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) {
         /* use movw/movt */
         /* movw */