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author | rms <rms@138bc75d-0d04-0410-961f-82ee72b054a4> | 1992-06-18 17:38:13 +0000 |
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committer | rms <rms@138bc75d-0d04-0410-961f-82ee72b054a4> | 1992-06-18 17:38:13 +0000 |
commit | 426b38c952d3ddcbe5aac0cf36f8651add04a9e4 (patch) | |
tree | c44cc579dc50f803d5e4bdad12f47f315543dce0 /gcc/stmt.c | |
parent | a3bc5c8a88bfc4589cfb861127c0f2d7c9b6b87e (diff) | |
download | gcc-426b38c952d3ddcbe5aac0cf36f8651add04a9e4.tar.gz |
*** empty log message ***
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@1207 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/stmt.c')
-rw-r--r-- | gcc/stmt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c index 2c2759686e0..11c122b2b34 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -1012,7 +1012,8 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line) for (tail = clobbers; tail; tail = TREE_CHAIN (tail)) { char *regname = TREE_STRING_POINTER (TREE_VALUE (tail)); - if (decode_reg_name (regname) >= 0) + i = decode_reg_name (regname); + if (i >= 0 || i == -4) ++nclobbers; } @@ -1183,9 +1184,15 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line) if (j < 0) { - if (j == -3) + if (j == -3) /* `cc', which is not a register */ continue; + if (j == -4) /* `memory', don't cache memory across asm */ + { + XVECEXP (body, 0, i++) = gen_rtx (CLOBBER, VOIDmode, const0_rtx); + continue; + } + error ("unknown register name `%s' in `asm'", regname); return; } |