diff options
Diffstat (limited to 'gcc/config/ia64/ia64.c')
| -rw-r--r-- | gcc/config/ia64/ia64.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c index acf73c52969..1f433a6fb0f 100644 --- a/gcc/config/ia64/ia64.c +++ b/gcc/config/ia64/ia64.c @@ -63,11 +63,6 @@ along with GCC; see the file COPYING3. If not see ASM_OUTPUT_LABELREF. */ int ia64_asm_output_label = 0; -/* Define the information needed to generate branch and scc insns. This is - stored from the compare operation. */ -struct rtx_def * ia64_compare_op0; -struct rtx_def * ia64_compare_op1; - /* Register names for ia64_expand_prologue. */ static const char * const ia64_reg_numbers[96] = { "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", @@ -1493,28 +1488,28 @@ ia64_expand_movxf_movrf (enum machine_mode mode, rtx operands[]) return false; } -/* Emit comparison instruction if necessary, returning the expression - that holds the compare result in the proper mode. */ +/* Emit comparison instruction if necessary, replacing *EXPR, *OP0, *OP1 + with the expression that holds the compare result (in VOIDmode). */ static GTY(()) rtx cmptf_libfunc; -rtx -ia64_expand_compare (enum rtx_code code, enum machine_mode mode) +void +ia64_expand_compare (rtx *expr, rtx *op0, rtx *op1) { - rtx op0 = ia64_compare_op0, op1 = ia64_compare_op1; + enum rtx_code code = GET_CODE (*expr); rtx cmp; /* If we have a BImode input, then we already have a compare result, and do not need to emit another comparison. */ - if (GET_MODE (op0) == BImode) + if (GET_MODE (*op0) == BImode) { - gcc_assert ((code == NE || code == EQ) && op1 == const0_rtx); - cmp = op0; + gcc_assert ((code == NE || code == EQ) && *op1 == const0_rtx); + cmp = *op0; } /* HPUX TFmode compare requires a library call to _U_Qfcmp, which takes a magic number as its third argument, that indicates what to do. The return value is an integer to be compared against zero. */ - else if (TARGET_HPUX && GET_MODE (op0) == TFmode) + else if (TARGET_HPUX && GET_MODE (*op0) == TFmode) { enum qfcmp_magic { QCMP_INV = 1, /* Raise FP_INVALID on SNaN as a side effect. */ @@ -1527,7 +1522,7 @@ ia64_expand_compare (enum rtx_code code, enum machine_mode mode) enum rtx_code ncode; rtx ret, insns; - gcc_assert (cmptf_libfunc && GET_MODE (op1) == TFmode); + gcc_assert (cmptf_libfunc && GET_MODE (*op1) == TFmode); switch (code) { /* 1 = equal, 0 = not equal. Equality operators do @@ -1552,7 +1547,7 @@ ia64_expand_compare (enum rtx_code code, enum machine_mode mode) start_sequence (); ret = emit_library_call_value (cmptf_libfunc, 0, LCT_CONST, DImode, 3, - op0, TFmode, op1, TFmode, + *op0, TFmode, *op1, TFmode, GEN_INT (magic), DImode); cmp = gen_reg_rtx (BImode); emit_insn (gen_rtx_SET (VOIDmode, cmp, @@ -1563,18 +1558,20 @@ ia64_expand_compare (enum rtx_code code, enum machine_mode mode) end_sequence (); emit_libcall_block (insns, cmp, cmp, - gen_rtx_fmt_ee (code, BImode, op0, op1)); + gen_rtx_fmt_ee (code, BImode, *op0, *op1)); code = NE; } else { cmp = gen_reg_rtx (BImode); emit_insn (gen_rtx_SET (VOIDmode, cmp, - gen_rtx_fmt_ee (code, BImode, op0, op1))); + gen_rtx_fmt_ee (code, BImode, *op0, *op1))); code = NE; } - return gen_rtx_fmt_ee (code, mode, cmp, const0_rtx); + *expr = gen_rtx_fmt_ee (code, VOIDmode, cmp, const0_rtx); + *op0 = cmp; + *op1 = const0_rtx; } /* Generate an integral vector comparison. Return true if the condition has |
