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Fix irix6 execute/921117-1.c c-torture failure.

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* cse.c (cse_insn): Don't record BLKmode values.

From-SVN: r15024
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Jim Wilson 1997-09-01 23:43:03 +00:00 • committed by Jim Wilson
parent 7e3af3746e
commit bc4ddc77a0
2 changed files with 8 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
* cse.c (cse_insn): Don't record BLKmode values.
Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
* i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.

4
gcc/cse.c
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@ -7297,6 +7297,10 @@ cse_insn (insn, in_libcall_block)
if ((flag_float_store
&& GET_CODE (dest) == MEM
&& FLOAT_MODE_P (GET_MODE (dest)))
/* Don't record BLKmode values, because we don't know the
size of it, and can't be sure that other BLKmode values
have the same or smaller size. */
|| GET_MODE (dest) == BLKmode
/* Don't record values of destinations set inside a libcall block
since we might delete the libcall. Things should have been set
up so we won't want to reuse such a value, but we play it safe