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authorMichael Snyder <msnyder@vmware.com>2003-07-24 00:38:07 +0000
committerMichael Snyder <msnyder@vmware.com>2003-07-24 00:38:07 +0000
commite343a93ac0495ae7ce4a1ef2960f43eb94fe3fd8 (patch)
tree62c7212e50cf7c2d1e4a2d8209b5eaaa46444ca1 /sim/sh
parent571b5725d553778700d9b2e8fb5d8ab8674468e3 (diff)
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2003-07-23 Michael Snyder <msnyder@redhat.com>
* gencode.c: A few more fix-ups of refs and defs. (frchg): Raise SIGILL if in double-precision mode. (ldtlb): We don't simulate cache, so this is a no-op. (movsxy_tab): Correct a few bit pattern errors.
Diffstat (limited to 'sim/sh')
-rw-r--r--sim/sh/ChangeLog7
-rw-r--r--sim/sh/gencode.c38
2 files changed, 28 insertions, 17 deletions
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 30322e9..df4d6bc 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,10 @@
+2003-07-23 Michael Snyder <msnyder@redhat.com>
+
+ * gencode.c: A few more fix-ups of refs and defs.
+ (frchg): Raise SIGILL if in double-precision mode.
+ (ldtlb): We don't simulate cache, so this is a no-op.
+ (movsxy_tab): Correct a few bit pattern errors.
+
2003-07-09 Michael Snyder <msnyder@redhat.com>
* gencode.c (prnd): Clear LSW of result to zeros.
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c
index f1601c5..347729e 100644
--- a/sim/sh/gencode.c
+++ b/sim/sh/gencode.c
@@ -372,7 +372,7 @@ op tab[] =
"}",
},
/* sh2e */
- { "", "m", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001",
+ { "m", "m", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001",
/* sh4 */
"if (FPSCR_SZ) {",
" MA (2);",
@@ -442,7 +442,10 @@ op tab[] =
/* sh4 */
{ "", "", "frchg", "1111101111111101",
- "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_FR);",
+ "if (FPSCR_PR)",
+ " RAISE_EXCEPTION (SIGILL);",
+ "else",
+ " SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_FR);",
},
/* sh4 */
@@ -573,7 +576,7 @@ op tab[] =
},
{ "", "", "ldtlb", "0000000000111000",
- "/* FIXME: XXX*/ abort();",
+ "/* We don't implement cache or tlb, so this is a noop. */",
},
{ "nm", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111",
@@ -800,17 +803,17 @@ op tab[] =
},
{ "", "n", "ocbi @<REG_N>", "0000nnnn10010011",
- "RSBAT (R[n]); /* Take exceptions like byte load. */",
+ "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
"/* FIXME: Cache not implemented */",
},
{ "", "n", "ocbp @<REG_N>", "0000nnnn10100011",
- "RSBAT (R[n]); /* Take exceptions like byte load. */",
+ "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
"/* FIXME: Cache not implemented */",
},
{ "", "n", "ocbwb @<REG_N>", "0000nnnn10110011",
- "RSBAT (R[n]); /* Take exceptions like byte load. */",
+ "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
"/* FIXME: Cache not implemented */",
},
@@ -1246,7 +1249,7 @@ op movsxy_tab[] =
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;",
"iword &= 0xfd53; goto top;",
},
- { "n", "n8","movx.w @<REG_x>+REG_8,<DSP_XX>", "111100xxXX001000",
+ { "n", "n8","movx.w @<REG_x>+REG_8,<DSP_XX>", "111100xxXX001100",
"DSP_R (m) = RSWAT (R[n]) << 16;",
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];",
"iword &= 0xfd53; goto top;",
@@ -1272,7 +1275,7 @@ op movsxy_tab[] =
"DSP_R (m) = RSWAT (R[n]) << 16;",
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;",
},
- { "n", "n9","movy.w @<REG_y>+REG_9,<DSP_YY>", "111100yyYY000010",
+ { "n", "n9","movy.w @<REG_y>+REG_9,<DSP_YY>", "111100yyYY000011",
"DSP_R (m) = RSWAT (R[n]) << 16;",
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
},
@@ -1283,7 +1286,7 @@ op movsxy_tab[] =
"WWAT (R[n], DSP_R (m) >> 16);",
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;",
},
- { "n", "n9", "movy.w <DSP_Aa>,@<REG_y>+REG_9", "111100yyAA010010",
+ { "n", "n9", "movy.w <DSP_Aa>,@<REG_y>+REG_9", "111100yyAA010011",
"WWAT (R[n], DSP_R (m) >> 16);",
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
},
@@ -2138,10 +2141,11 @@ gensim_caselist (p)
{
switch (*s)
{
- fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n",
- *s);
- exit (1);
- break;
+ default:
+ fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n",
+ *s);
+ exit (1);
+ break;
case '0':
case '1':
s += 2;
@@ -2335,10 +2339,10 @@ expand_ppi_code (val, i, s)
{
switch (s[0])
{
- default:
- fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n",
- s[0]);
- exit (2);
+ default:
+ fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n",
+ s[0]);
+ exit (2);
break;
/* The last eight bits are disregarded for the switch table. */
case 'm':