diff options
Diffstat (limited to 'sim/sh')
| -rw-r--r-- | sim/sh/ChangeLog | 7 | ||||
| -rw-r--r-- | sim/sh/gencode.c | 38 |
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': |