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| author | Daniel Jacobowitz <drow@false.org> | 2007-03-02 12:15:01 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <drow@false.org> | 2007-03-02 12:15:01 +0000 |
| commit | 6a1754a359b12faa37a7c766474962d0c9b30abc (patch) | |
| tree | a14836aedbbd4bbf8d0efd5aa612839e49fe31c1 /sim/sh/gencode.c | |
| parent | cde1b43932c019e29e0c2690f0d58d82287c0113 (diff) | |
| download | gdb-6a1754a359b12faa37a7c766474962d0c9b30abc.zip gdb-6a1754a359b12faa37a7c766474962d0c9b30abc.tar.gz gdb-6a1754a359b12faa37a7c766474962d0c9b30abc.tar.bz2 | |
2007-03-02 Andrew Stubbs <andrew.stubbs@st.com>
* gencode.c (tab): Correct pre-decrement instructions when m == n.
Diffstat (limited to 'sim/sh/gencode.c')
| -rw-r--r-- | sim/sh/gencode.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index e86bd29..15313b0 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -970,9 +970,11 @@ op tab[] = "WBAT (R[n] + R0, R[m]);", }, { "n", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", + /* Allow for the case where m == n. */ + "int t = R[m];", "MA (1);", "R[n] -= 1;", - "WBAT (R[n], R[m]);", + "WBAT (R[n], t);", }, { "n", "n0", "mov.b R0,@<REG_N>+", "0100nnnn10001011", "MA (1);", @@ -1035,9 +1037,11 @@ op tab[] = "WLAT (R0 + R[n], R[m]);", }, { "n", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", + /* Allow for the case where m == n. */ + "int t = R[m];", "MA (1) ;", "R[n] -= 4;", - "WLAT (R[n], R[m]);", + "WLAT (R[n], t);", }, { "n", "n0", "mov.l R0,@<REG_N>+", "0100nnnn10101011", "MA (1) ;", @@ -1099,9 +1103,11 @@ op tab[] = "WWAT (R0 + R[n], R[m]);", }, { "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", + /* Allow for the case where m == n. */ + "int t = R[m];", "MA (1);", "R[n] -= 2;", - "WWAT (R[n], R[m]);", + "WWAT (R[n], t);", }, { "n", "0n", "mov.w R0,@<REG_N>+", "0100nnnn10011011", "MA (1);", |