diff options
Diffstat (limited to 'gcc/config/v850/v850.c')
| -rw-r--r-- | gcc/config/v850/v850.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c index 8159862..1b3f3e4 100644 --- a/gcc/config/v850/v850.c +++ b/gcc/config/v850/v850.c @@ -3064,6 +3064,20 @@ v850_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) return (to == STACK_POINTER_REGNUM ? ! frame_pointer_needed : true); } +/* Worker function for TARGET_CONDITIONAL_REGISTER_USAGE. + + If TARGET_APP_REGS is not defined then add r2 and r5 to + the pool of fixed registers. See PR 14505. */ + +static void +v850_conditional_register_usage (void) +{ + if (TARGET_APP_REGS) + { + fixed_regs[2] = 0; call_used_regs[2] = 0; + fixed_regs[5] = 0; call_used_regs[5] = 1; + } +} /* Worker function for TARGET_ASM_TRAMPOLINE_TEMPLATE. */ @@ -3194,6 +3208,9 @@ static const struct attribute_spec v850_attribute_table[] = #undef TARGET_CAN_ELIMINATE #define TARGET_CAN_ELIMINATE v850_can_eliminate +#undef TARGET_CONDITIONAL_REGISTER_USAGE +#define TARGET_CONDITIONAL_REGISTER_USAGE v850_conditional_register_usage + #undef TARGET_ASM_TRAMPOLINE_TEMPLATE #define TARGET_ASM_TRAMPOLINE_TEMPLATE v850_asm_trampoline_template #undef TARGET_TRAMPOLINE_INIT |