diff options
Diffstat (limited to 'gcc/ira-emit.c')
| -rw-r--r-- | gcc/ira-emit.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ira-emit.c b/gcc/ira-emit.c index 7fdaefb52e5..a6a7582f519 100644 --- a/gcc/ira-emit.c +++ b/gcc/ira-emit.c @@ -137,6 +137,7 @@ change_regs (rtx *loc) int i, regno, result = false; const char *fmt; enum rtx_code code; + rtx reg; if (*loc == NULL_RTX) return false; @@ -151,7 +152,10 @@ change_regs (rtx *loc) return false; if (ira_curr_regno_allocno_map[regno] == NULL) return false; - *loc = ALLOCNO_REG (ira_curr_regno_allocno_map[regno]); + reg = ALLOCNO_REG (ira_curr_regno_allocno_map[regno]); + if (reg == *loc) + return false; + *loc = reg; return true; } |