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| author | Jeffrey A Law <law@cygnus.com> | 1999-07-14 23:04:45 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-07-14 17:04:45 -0600 |
| commit | 40c0c3cf73f72f33767cfe1d35c82a2533667ba3 (patch) | |
| tree | 3c92b146117019253e661275aba5815528562f9a /gcc | |
| parent | 87afbee625a00e6f657534f7959a28cec762320c (diff) | |
| download | gcc-40c0c3cf73f72f33767cfe1d35c82a2533667ba3.zip gcc-40c0c3cf73f72f33767cfe1d35c82a2533667ba3.tar.gz gcc-40c0c3cf73f72f33767cfe1d35c82a2533667ba3.tar.bz2 | |
emit-rtl.c (gen_realpart): Issue an error for cases GCC can not handle at this time instead of silently...
* emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
handle at this time instead of silently generating incorrect code.
(gen_imagpart): Likewise.
From-SVN: r28105
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 10 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 62228a9..d854d08 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com) + * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not + handle at this time instead of silently generating incorrect code. + (gen_imagpart): Likewise. + * reload.c (find_reloads): Emit a USE for a pseudo register without a hard register if we could not create an optional reload for the pseudo. diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 0b310f2..4519a23 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -966,6 +966,11 @@ gen_realpart (mode, x) { if (GET_CODE (x) == CONCAT && GET_MODE (XEXP (x, 0)) == mode) return XEXP (x, 0); + else if (WORDS_BIG_ENDIAN + && GET_MODE_BITSIZE (mode) < BITS_PER_WORD + && REG_P (x) + && REGNO (x) < FIRST_PSEUDO_REGISTER) + fatal ("Unable to access real part of complex value in a hard register on this target"); else if (WORDS_BIG_ENDIAN) return gen_highpart (mode, x); else @@ -984,6 +989,11 @@ gen_imagpart (mode, x) return XEXP (x, 1); else if (WORDS_BIG_ENDIAN) return gen_lowpart (mode, x); + else if (!WORDS_BIG_ENDIAN + && GET_MODE_BITSIZE (mode) < BITS_PER_WORD + && REG_P (x) + && REGNO (x) < FIRST_PSEUDO_REGISTER) + fatal ("Unable to access imaginary part of complex value in a hard register on this target"); else return gen_highpart (mode, x); } |