diff options
Diffstat (limited to 'gcc-4.9/gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc-4.9/gcc/config/aarch64/aarch64.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/config/aarch64/aarch64.c b/gcc-4.9/gcc/config/aarch64/aarch64.c index 6b2717471..f9e8c4067 100644 --- a/gcc-4.9/gcc/config/aarch64/aarch64.c +++ b/gcc-4.9/gcc/config/aarch64/aarch64.c @@ -184,8 +184,10 @@ __extension__ static const struct cpu_regmove_cost generic_regmove_cost = { NAMED_PARAM (GP2GP, 1), - NAMED_PARAM (GP2FP, 2), - NAMED_PARAM (FP2GP, 2), + /* Avoid the use of slow int<->fp moves for spilling by setting + their cost higher than memmov_cost. */ + NAMED_PARAM (GP2FP, 5), + NAMED_PARAM (FP2GP, 5), /* We currently do not provide direct support for TFmode Q->Q move. Therefore we need to raise the cost above 2 in order to have reload handle the situation. */ @@ -4481,6 +4483,7 @@ aarch64_strip_shift_or_extend (rtx x) /* Zero and sign extraction of a widened value. */ if ((GET_CODE (op) == ZERO_EXTRACT || GET_CODE (op) == SIGN_EXTRACT) && XEXP (op, 2) == const0_rtx + && GET_CODE (XEXP (op, 0)) == MULT && aarch64_is_extend_from_extract (GET_MODE (op), XEXP (XEXP (op, 0), 1), XEXP (op, 1))) return XEXP (XEXP (op, 0), 0); @@ -5275,6 +5278,11 @@ aarch64_override_options (void) #endif } + if (aarch64_fix_a53_err843419 == 2) + { + aarch64_fix_a53_err843419 = 1; + } + aarch64_override_options_after_change (); if (TARGET_ANDROID) |