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re PR target/46934 (gcc ICE: error: unrecognizable insn: in extract_insn, at recog.c:2109)

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2011-03-23  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/46934
	* config/arm/arm.md (casesi): Use the gen_int_mode() function
	to subtract lower bound instead of GEN_INT().

	testsuite/
	* gcc.target/arm/pr46934.c: New.

From-SVN: r171379
This commit is contained in:
Chung-Lin Tang 2011-03-24 02:47:55 +00:00 • committed by Chung-Lin Tang
parent 27deda791b
commit 4908b0bf1c
4 changed files with 33 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-03-23 Chung-Lin Tang <cltang@codesourcery.com>
PR target/46934
* config/arm/arm.md (casesi): Use the gen_int_mode() function
to subtract lower bound instead of GEN_INT().
2011-03-23 Jonathan Wakely <jwakely.gcc@gmail.com>
PR other/48179

3
gcc/config/arm/arm.md
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@ -8354,7 +8354,8 @@
rtx reg = gen_reg_rtx (SImode);
emit_insn (gen_addsi3 (reg, operands[0],
GEN_INT (-INTVAL (operands[1]))));
gen_int_mode (-INTVAL (operands[1]),
SImode)));
operands[0] = reg;
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2011-03-23 Chung-Lin Tang <cltang@codesourcery.com>
* gcc.target/arm/pr46934.c: New.
2011-03-23 Ian Lance Taylor <iant@google.com>
* go.test/go-test.exp (errchk): Ignore lines containing ////.

21
gcc/testsuite/gcc.target/arm/pr46934.c Normal file
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@ -0,0 +1,21 @@
/* { dg-do compile } */
/* { dg-options "-march=armv5te -mthumb -Os" } */
/* { dg-require-effective-target arm_thumb1_ok } */
int caller (unsigned int reg_type)
{
switch (reg_type)
{
case 0x80000000:
return (int)foo();
case 0x80000003:
return (int) bar();
case 0x80000001:
return (int) baz();
case 0x80000004:
return (int) fooz();
}
}