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re PR target/64208 ([iwmmxt] ICE: internal compiler error: Max. number of generated reload insns per insn is achieved (90))

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gcc/
2015-05-06  Yvan Roux  <yvan.roux@linaro.org>

	PR target/64208
	* config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Cleanup redundant
	alternatives.

gcc/testsuite/
2015-05-06  Yvan Roux  <yvan.roux@linaro.org>

	PR target/64208
	* gcc.target/arm/pr64208.c: New test.

From-SVN: r222853
This commit is contained in:
Yvan Roux 2015-05-06 14:23:57 +00:00 • committed by Yvan Roux
parent 2149da1b26
commit 93e956161e
4 changed files with 38 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-05-06 Yvan Roux <yvan.roux@linaro.org>
PR target/64208
* config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Cleanup redundant
alternatives.
2015-05-06 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/geniterators.sh: Use standard BRE in sed.

4
gcc/config/arm/iwmmxt.md
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@ -107,8 +107,8 @@
)
(define_insn "*iwmmxt_arm_movdi"
[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r, r, r, m,y,y,yr,y,yrUy,*w, r,*w,*w, *Uv")
(match_operand:DI 1 "di_operand" "rDa,Db,Dc,mi,r,y,yr,y,yrUy,y, r,*w,*w,*Uvi,*w"))]
[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r, r, r, m,y,y,r, y,Uy,*w, r,*w,*w, *Uv")
(match_operand:DI 1 "di_operand" "rDa,Db,Dc,mi,r,y,r,y,Uy,y, r,*w,*w,*Uvi,*w"))]
"TARGET_REALLY_IWMMXT
&& ( register_operand (operands[0], DImode)
|| register_operand (operands[1], DImode))"

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-05-06 Yvan Roux <yvan.roux@linaro.org>
PR target/64208
* gcc.target/arm/pr64208.c: New test.
2015-05-06 Alan Modra <amodra@gmail.com>
PR target/66020

25
gcc/testsuite/gcc.target/arm/pr64208.c Normal file
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@ -0,0 +1,25 @@
/* { dg-do compile } */
/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mcpu=*" } { "-mcpu=iwmmxt" } } */
/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mabi=*" } { "-mabi=iwmmxt" } } */
/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-march=*" } { "-march=iwmmxt" } } */
/* { dg-skip-if "Test is specific to ARM mode" { arm*-*-* } { "-mthumb" } { "" } } */
/* { dg-require-effective-target arm32 } */
/* { dg-require-effective-target arm_iwmmxt_ok } */
/* { dg-options "-O1 -mcpu=iwmmxt" } */
long long x6(void);
void x7(long long, long long);
void x8(long long);
int x0;
long long *x1;
void x2(void) {
long long *x3 = x1;
while (x1) {
long long x4 = x0, x5 = x6();
x7(x4, x5);
x8(x5);
*x3 = 0;
}
}