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2007-03-02 Andrew Stubbs <andrew.stubbs@st.com>

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* gencode.c (tab): Correct pre-decrement instructions when m == n.
This commit is contained in:
Daniel Jacobowitz 2007-03-02 12:15:01 +00:00
parent cde1b43932
commit 6a1754a359
2 changed files with 13 additions and 3 deletions
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4
sim/sh/ChangeLog
View File

@ -1,3 +1,7 @@
2007-03-02 Andrew Stubbs <andrew.stubbs@st.com>
* gencode.c (tab): Correct pre-decrement instructions when m == n.
2006-12-21 Hans-Peter Nilsson <hp@axis.com>
* acconfig.h: Remove.

12
sim/sh/gencode.c
View File

@ -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);",