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| author | Oleg Endo <oleg.endo@t-online.de> | 2011-11-29 22:52:55 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2011-11-29 22:52:55 +0000 |
| commit | cebc182b78fd3be5396fb772f3b12a9096fc73ab (patch) | |
| tree | 5639d088a2f5f63acca0dd6a1e63d257f94ac8c1 /gcc | |
| parent | 08ee945e0b945fd2797c8bb7524d79dc73a9b6bd (diff) | |
| download | gcc-cebc182b78fd3be5396fb772f3b12a9096fc73ab.zip gcc-cebc182b78fd3be5396fb772f3b12a9096fc73ab.tar.gz gcc-cebc182b78fd3be5396fb772f3b12a9096fc73ab.tar.bz2 | |
re PR target/51337 (SH Target: Various testsuite ICEs for -m2a -O0)
PR target/51337
* config/sh/sh.c (sh_secondary_reload): Add case when FPUL
register is being loaded from a pseudo in memory.
From-SVN: r181823
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6ac5db9..587a627 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-11-29 Oleg Endo <oleg.endo@t-online.de> + + PR target/51337 + * config/sh/sh.c (sh_secondary_reload): Add case when FPUL + register is being loaded from a pseudo in memory. + 2011-11-29 DJ Delorie <dj@redhat.com> * config.gcc (rl78-*-elf): New case. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 2545a63..870c39f 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -12432,6 +12432,14 @@ sh_secondary_reload (bool in_p, rtx x, reg_class_t rclass_i, if (rclass != GENERAL_REGS && REG_P (x) && TARGET_REGISTER_P (REGNO (x))) return GENERAL_REGS; + + /* If here fall back to loading FPUL register through general registers. + This case can happen when movsi_ie insn is picked initially to + load/store the FPUL register from/to another register, and then the + other register is allocated on the stack. */ + if (rclass == FPUL_REGS && true_regnum (x) == -1) + return GENERAL_REGS; + return NO_REGS; } |