diff options
Diffstat (limited to 'sim/sh')
| -rw-r--r-- | sim/sh/ChangeLog | 8 | ||||
| -rw-r--r-- | sim/sh/gencode.c | 40 |
2 files changed, 36 insertions, 12 deletions
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog index 9c0f842..0d8a564 100644 --- a/sim/sh/ChangeLog +++ b/sim/sh/ChangeLog @@ -1,3 +1,11 @@ +Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com> + + * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous + union type, instead of casting to an int* then a float*. + (fcnvsd FPUL,<DR_N>): Likewise. + (flds <FREG_N>,FPUL): Likewise. + (fsts FPUL,<FREG_N>): Likewise. + 1999-05-08 Felix Lee <flee@cygnus.com> * configure: Regenerated to track ../common/aclocal.m4 changes. diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index be10e59..3aa3918 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -250,9 +250,13 @@ op tab[] = " saved_state.asregs.exception = SIGILL;", "else", "{", - " char buf[4];", - " *(float *)buf = DR(n);", - " FPUL = *(int *)buf;", + " union", + " {", + " int i;", + " float f;", + " } u;", + " u.f = DR(n);", + " FPUL = u.i;", "}", }, @@ -262,9 +266,13 @@ op tab[] = " saved_state.asregs.exception = SIGILL;", "else", "{", - " char buf[4];", - " *(int *)buf = FPUL;", - " SET_DR(n, *(float *)buf);", + " union", + " {", + " int i;", + " float f;", + " } u;", + " u.i = FPUL;", + " SET_DR(n, u.f);", "}", }, @@ -295,9 +303,13 @@ op tab[] = /* sh3e */ { "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101", - "char buf[4];", - "*(float *)buf = FR(n);", - "FPUL = *(int *)buf;", + " union", + " {", + " int i;", + " float f;", + " } u;", + " u.f = FR(n);", + " FPUL = u.i;", }, /* sh3e */ @@ -464,9 +476,13 @@ op tab[] = /* sh3e */ { "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101", - "char buf[4];", - "*(int *)buf = FPUL;", - "SET_FR (n, *(float *)buf);", + " union", + " {", + " int i;", + " float f;", + " } u;", + " u.i = FPUL;", + " SET_FR (n, u.f);", }, { "", "n", "jmp @<REG_N>", "0100nnnn00101011", |