diff options
Diffstat (limited to 'gcc-4.9/gcc/config/avr')
| -rw-r--r-- | gcc-4.9/gcc/config/avr/avr-fixed.md | 4 | ||||
| -rw-r--r-- | gcc-4.9/gcc/config/avr/avr.h | 14 | ||||
| -rw-r--r-- | gcc-4.9/gcc/config/avr/avr.md | 9 |
3 files changed, 18 insertions, 9 deletions
diff --git a/gcc-4.9/gcc/config/avr/avr-fixed.md b/gcc-4.9/gcc/config/avr/avr-fixed.md index 1652415b1..9c8489edd 100644 --- a/gcc-4.9/gcc/config/avr/avr-fixed.md +++ b/gcc-4.9/gcc/config/avr/avr-fixed.md @@ -430,8 +430,8 @@ } // Input and output of the libgcc function - const unsigned int regno_in[] = { -1, 22, 22, -1, 18 }; - const unsigned int regno_out[] = { -1, 24, 24, -1, 22 }; + const unsigned int regno_in[] = { -1U, 22, 22, -1U, 18 }; + const unsigned int regno_out[] = { -1U, 24, 24, -1U, 22 }; operands[3] = gen_rtx_REG (<MODE>mode, regno_out[(size_t) GET_MODE_SIZE (<MODE>mode)]); operands[4] = gen_rtx_REG (<MODE>mode, regno_in[(size_t) GET_MODE_SIZE (<MODE>mode)]); diff --git a/gcc-4.9/gcc/config/avr/avr.h b/gcc-4.9/gcc/config/avr/avr.h index 78434ec5e..9d34983e4 100644 --- a/gcc-4.9/gcc/config/avr/avr.h +++ b/gcc-4.9/gcc/config/avr/avr.h @@ -251,18 +251,18 @@ enum reg_class { #define REG_CLASS_CONTENTS { \ {0x00000000,0x00000000}, /* NO_REGS */ \ {0x00000001,0x00000000}, /* R0_REG */ \ - {3 << REG_X,0x00000000}, /* POINTER_X_REGS, r26 - r27 */ \ - {3 << REG_Y,0x00000000}, /* POINTER_Y_REGS, r28 - r29 */ \ - {3 << REG_Z,0x00000000}, /* POINTER_Z_REGS, r30 - r31 */ \ + {3u << REG_X,0x00000000}, /* POINTER_X_REGS, r26 - r27 */ \ + {3u << REG_Y,0x00000000}, /* POINTER_Y_REGS, r28 - r29 */ \ + {3u << REG_Z,0x00000000}, /* POINTER_Z_REGS, r30 - r31 */ \ {0x00000000,0x00000003}, /* STACK_REG, STACK */ \ - {(3 << REG_Y) | (3 << REG_Z), \ + {(3u << REG_Y) | (3u << REG_Z), \ 0x00000000}, /* BASE_POINTER_REGS, r28 - r31 */ \ - {(3 << REG_X) | (3 << REG_Y) | (3 << REG_Z), \ + {(3u << REG_X) | (3u << REG_Y) | (3u << REG_Z), \ 0x00000000}, /* POINTER_REGS, r26 - r31 */ \ - {(3 << REG_X) | (3 << REG_Y) | (3 << REG_Z) | (3 << REG_W), \ + {(3u << REG_X) | (3u << REG_Y) | (3u << REG_Z) | (3u << REG_W), \ 0x00000000}, /* ADDW_REGS, r24 - r31 */ \ {0x00ff0000,0x00000000}, /* SIMPLE_LD_REGS r16 - r23 */ \ - {(3 << REG_X)|(3 << REG_Y)|(3 << REG_Z)|(3 << REG_W)|(0xff << 16), \ + {(3u << REG_X)|(3u << REG_Y)|(3u << REG_Z)|(3u << REG_W)|(0xffu << 16),\ 0x00000000}, /* LD_REGS, r16 - r31 */ \ {0x0000ffff,0x00000000}, /* NO_LD_REGS r0 - r15 */ \ {0xffffffff,0x00000000}, /* GENERAL_REGS, r0 - r31 */ \ diff --git a/gcc-4.9/gcc/config/avr/avr.md b/gcc-4.9/gcc/config/avr/avr.md index 2c59bf3f9..3bb2a914a 100644 --- a/gcc-4.9/gcc/config/avr/avr.md +++ b/gcc-4.9/gcc/config/avr/avr.md @@ -368,6 +368,15 @@ "" { int i; + + // Avoid (subreg (mem)) for non-generic address spaces below. Because + // of the poor addressing capabilities of these spaces it's better to + // load them in one chunk. And it avoids PR61443. + + if (MEM_P (operands[0]) + && !ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (operands[0]))) + operands[0] = copy_to_mode_reg (<MODE>mode, operands[0]); + for (i = GET_MODE_SIZE (<MODE>mode) - 1; i >= 0; --i) { rtx part = simplify_gen_subreg (QImode, operands[0], <MODE>mode, i); |