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Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index b41800c..f4ad68d 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -12283,6 +12283,26 @@ sparc_expand_vector_init (rtx target, rtx vals) emit_move_insn (target, mem); } +bool sparc_secondary_memory_needed (enum reg_class class1, enum reg_class class2, + machine_mode mode) +{ + if (FP_REG_CLASS_P (class1) != FP_REG_CLASS_P (class2)) + { + if (! TARGET_VIS3 + || GET_MODE_SIZE (mode) > 8 + || GET_MODE_SIZE (mode) < 4) + return true; + return false; + } + + if (GET_MODE_SIZE (mode) == 4 + && ((class1 == FP_REGS && class2 == EXTRA_FP_REGS) + || (class1 == EXTRA_FP_REGS && class2 == FP_REGS))) + return true; + + return false; +} + /* Implement TARGET_SECONDARY_RELOAD. */ static reg_class_t |