diff options
Diffstat (limited to 'gcc/config/s390/s390.c')
| -rw-r--r-- | gcc/config/s390/s390.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 9ca394f..4f0dd02 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -6480,13 +6480,16 @@ s390_output_mi_thunk (file, thunk, delta, vcall_offset, function) HOST_WIDE_INT vcall_offset; tree function; { - rtx op[9]; + rtx op[10]; + int nonlocal = 0; /* Operand 0 is the target function. */ op[0] = XEXP (DECL_RTL (function), 0); if (flag_pic && !SYMBOL_REF_LOCAL_P (op[0])) { - op[0] = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, op[0]), 113); + nonlocal = 1; + op[0] = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, op[0]), + TARGET_64BIT ? 113 : flag_pic == 2 ? 112 : 110); op[0] = gen_rtx_CONST (Pmode, op[0]); } @@ -6511,6 +6514,9 @@ s390_output_mi_thunk (file, thunk, delta, vcall_offset, function) op[7] = NULL_RTX; op[8] = NULL_RTX; + /* Operand 9 can be used for temporary register. */ + op[9] = NULL_RTX; + /* Generate code. */ if (TARGET_64BIT) { @@ -6641,14 +6647,39 @@ s390_output_mi_thunk (file, thunk, delta, vcall_offset, function) /* Jump to target. */ op[8] = gen_label_rtx (); + if (!flag_pic) output_asm_insn ("l\t%4,%8-%5(%4)", op); - else + else if (!nonlocal) output_asm_insn ("a\t%4,%8-%5(%4)", op); + /* We cannot call through .plt, since .plt requires %r12 loaded. */ + else if (flag_pic == 1) + { + output_asm_insn ("a\t%4,%8-%5(%4)", op); + output_asm_insn ("l\t%4,%0(%4)", op); + } + else if (flag_pic == 2) + { + op[9] = gen_rtx_REG (Pmode, 0); + output_asm_insn ("l\t%9,%8-4-%5(%4)", op); + output_asm_insn ("a\t%4,%8-%5(%4)", op); + output_asm_insn ("ar\t%4,%9", op); + output_asm_insn ("l\t%4,0(%4)", op); + } + output_asm_insn ("br\t%4", op); /* Output literal pool. */ output_asm_insn (".align\t4", op); + + if (nonlocal && flag_pic == 2) + output_asm_insn (".long\t%0", op); + if (nonlocal) + { + op[0] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_"); + SYMBOL_REF_FLAGS (op[0]) = SYMBOL_FLAG_LOCAL; + } + (*targetm.asm_out.internal_label) (file, "L", CODE_LABEL_NUMBER (op[8])); if (!flag_pic) output_asm_insn (".long\t%0", op); |