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riscv-gcc-1
Commit 4b7c585f by Jeffrey A Law Committed by Jeff Law
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* combine.c (distribute_notes): Handle REG_EH_REGION notes. 

From-SVN: r24927
parent 2c72b78f
Showing with 13 additions and 0 deletions
gcc/ChangeLog
Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com) Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
* combine.c (distribute_notes): Handle REG_EH_REGION notes.
* alias.c (fixed_scalar_and_varying_struct_p): Add "static" to * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
function definition. function definition.
(aliases_everything_p, write_dependence_p):Likewise. (aliases_everything_p, write_dependence_p):Likewise.
......
gcc/combine.c
...@@ -11431,6 +11431,17 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1) ...@@ -11431,6 +11431,17 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1)
place = i3; place = i3;
break; break;
case REG_EH_REGION:
/* This note must remain with the call. It should not be possible
for both I2 and I3 to be a call. */
if (GET_CODE (i3) == CALL_INSN)
place = i3;
else if (i2 && GET_CODE (i2) == CALL_INSN)
place = i2;
else
abort ();
break;
case REG_UNUSED: case REG_UNUSED:
/* Any clobbers for i3 may still exist, and so we must process /* Any clobbers for i3 may still exist, and so we must process
REG_UNUSED notes from that insn. REG_UNUSED notes from that insn.
......
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