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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-28 14:04:29 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-09-28 14:04:29 -0400 |
| commit | d9832fd253ac2556b41919567daba72470f4043a (patch) | |
| tree | 3f990f3fae57a568ec73ef9039211170a67a8ee5 /gcc | |
| parent | 241fa1a22111e9cc42ef734119d1ff727b905253 (diff) | |
| download | gcc-d9832fd253ac2556b41919567daba72470f4043a.zip gcc-d9832fd253ac2556b41919567daba72470f4043a.tar.gz gcc-d9832fd253ac2556b41919567daba72470f4043a.tar.bz2 | |
(output_scc_di): Swap operands when needed.
From-SVN: r10408
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/m68k/m68k.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 19897a9..2b5b392 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -706,7 +706,19 @@ output_scc_di(op, operand1, operand2, dest) rtx dest; { rtx loperands[7]; + enum rtx_code op_code = GET_CODE (op); + /* The m68k cmp.l instruction requires operand1 to be a reg as used + below. Swap the operands and change the op if these requirements + are not fulfilled. */ + if (GET_CODE (operand2) == REG && GET_CODE (operand1) != REG) + { + rtx tmp = operand1; + + operand1 = operand2; + operand2 = tmp; + op_code = swap_condition (op_code); + } loperands[0] = operand1; if (GET_CODE (operand1) == REG) loperands[1] = gen_rtx (REG, SImode, REGNO (operand1) + 1); @@ -743,7 +755,7 @@ output_scc_di(op, operand1, operand2, dest) #endif loperands[5] = dest; - switch (GET_CODE (op)) + switch (op_code) { case EQ: ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L", |