diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 80cb52744ae..5651fb7da4b 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -19097,6 +19097,11 @@ arm_r3_live_at_start_p (void) static int arm_compute_static_chain_stack_bytes (void) { + /* Once the value is updated from the init value of -1, do not + re-compute. */ + if (cfun->machine->static_chain_stack_bytes != -1) + return cfun->machine->static_chain_stack_bytes; + /* See the defining assertion in arm_expand_prologue. */ if (IS_NESTED (arm_current_func_type ()) && ((TARGET_APCS_FRAME && frame_pointer_needed && TARGET_ARM) @@ -21396,6 +21401,11 @@ arm_expand_prologue (void) emit_insn (gen_movsi (stack_pointer_rtx, r1)); } + /* Let's compute the static_chain_stack_bytes required and store it. Right + now the value must the -1 as stored by arm_init_machine_status (). */ + cfun->machine->static_chain_stack_bytes + = arm_compute_static_chain_stack_bytes (); + /* The static chain register is the same as the IP register. If it is clobbered when creating the frame, we need to save and restore it. */ clobber_ip = IS_NESTED (func_type) @@ -24545,6 +24555,7 @@ arm_init_machine_status (void) #if ARM_FT_UNKNOWN != 0 machine->func_type = ARM_FT_UNKNOWN; #endif + machine->static_chain_stack_bytes = -1; return machine; } @@ -26858,7 +26869,10 @@ static bool arm_array_mode_supported_p (machine_mode mode, unsigned HOST_WIDE_INT nelems) { - if (TARGET_NEON + /* We don't want to enable interleaved loads and stores for BYTES_BIG_ENDIAN + for now, as the lane-swapping logic needs to be extended in the expanders. + See PR target/82518. */ + if (TARGET_NEON && !BYTES_BIG_ENDIAN && (VALID_NEON_DREG_MODE (mode) || VALID_NEON_QREG_MODE (mode)) && (nelems >= 2 && nelems <= 4)) return true; |