diff options
| author | ciceron <ciceron@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-03-31 20:39:44 +0000 |
|---|---|---|
| committer | ciceron <ciceron@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-03-31 20:39:44 +0000 |
| commit | 869c5a7c9f07a524947a95ca5682afcfbc0fb729 (patch) | |
| tree | b75729463cbfccb7741801f327d6914480bf5c94 /gcc/config/m68hc11 | |
| parent | 3ccebe0d413792ccaa3ffa7ab0b6b2f91c3d2c23 (diff) | |
| download | gcc-869c5a7c9f07a524947a95ca5682afcfbc0fb729.tar.gz | |
* config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't rely on REG_WAS_0
notes as they are boggus.
(m68hc11_gen_movqi): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65107 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/m68hc11')
| -rw-r--r-- | gcc/config/m68hc11/m68hc11.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c index 0e8f36495b2..bb3327b90ad 100644 --- a/gcc/config/m68hc11/m68hc11.c +++ b/gcc/config/m68hc11/m68hc11.c @@ -3271,7 +3271,8 @@ m68hc11_gen_movhi (insn, operands) { if (SP_REG_P (operands[0])) output_asm_insn ("lds\t%1", operands); - else if (!D_REG_P (operands[0]) + else if (0 /* REG_WAS_0 note is boggus; don't rely on it. */ + && !D_REG_P (operands[0]) && GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) == 1 || INTVAL (operands[1]) == -1) && find_reg_note (insn, REG_WAS_0, 0)) @@ -3464,7 +3465,8 @@ m68hc11_gen_movhi (insn, operands) cc_status = cc_prev_status; output_asm_insn ("tsx", operands); } - else if (GET_CODE (operands[1]) == CONST_INT + else if (0 /* REG_WAS_0 note is boggus; don't rely on it. */ + && GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) == 1 || INTVAL (operands[1]) == -1) && find_reg_note (insn, REG_WAS_0, 0)) { @@ -3521,7 +3523,8 @@ m68hc11_gen_movhi (insn, operands) cc_status = cc_prev_status; output_asm_insn ("tsy", operands); } - else if (GET_CODE (operands[1]) == CONST_INT + else if (0 /* REG_WAS_0 note is boggus; don't rely on it. */ + && GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) == 1 || INTVAL (operands[1]) == -1) && find_reg_note (insn, REG_WAS_0, 0)) { @@ -3770,7 +3773,8 @@ m68hc11_gen_movqi (insn, operands) output_asm_insn ("ldab\t%T0", operands); } } - else if (GET_CODE (operands[1]) == CONST_INT + else if (0 /* REG_WAS_0 note is boggus; don't rely on it. */ + && GET_CODE (operands[1]) == CONST_INT && (INTVAL (operands[1]) == 1 || INTVAL (operands[1]) == -1) && find_reg_note (insn, REG_WAS_0, 0)) { |