diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 436d9fcf3c3..951554a741b 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -5524,7 +5524,7 @@ static int num_insns_constant_gpr (HOST_WIDE_INT value) { /* signed constant loadable with addi */ - if (((unsigned HOST_WIDE_INT) value + 0x8000) < 0x10000) + if (SIGNED_16BIT_OFFSET_P (value)) return 1; /* constant loadable with addis */ @@ -5532,6 +5532,10 @@ num_insns_constant_gpr (HOST_WIDE_INT value) && (value >> 31 == -1 || value >> 31 == 0)) return 1; + /* PADDI can support up to 34 bit signed integers. */ + else if (TARGET_PREFIXED_ADDR && SIGNED_34BIT_OFFSET_P (value)) + return 1; + else if (TARGET_POWERPC64) { HOST_WIDE_INT low = ((value & 0xffffffff) ^ 0x80000000) - 0x80000000; @@ -20641,7 +20645,8 @@ rs6000_rtx_costs (rtx x, machine_mode mode, int outer_code, || outer_code == PLUS || outer_code == MINUS) && (satisfies_constraint_I (x) - || satisfies_constraint_L (x))) + || satisfies_constraint_L (x) + || satisfies_constraint_eI (x))) || (outer_code == AND && (satisfies_constraint_K (x) || (mode == SImode |